The episode opens in 1984 with a group of Soviet soldiers in a secret facility. They are seen entering a high-security area, where they are instructed to prepare for a mission. The soldiers are tense and nervous as they approach a large door marked with a warning sign. They activate a control panel, and the door opens to reveal a massive, dark chamber filled with strange machinery. Suddenly, an alarm blares, and the soldiers are ordered to retreat. As they flee, a monstrous creature emerges from the shadows, attacking them. The scene ends with chaos as the soldiers are overwhelmed.

The narrative then shifts to Hawkins, Indiana, during the summer of 1985. We see Mike Wheeler and Eleven, now a couple, enjoying a romantic moment at the Wheeler's house. They share a kiss, but their moment is interrupted by Mike's mother, Karen, who calls them downstairs. The couple is awkwardly forced to separate, and Mike is frustrated by the interruption. Meanwhile, Lucas Sinclair and Max Mayfield are also together, enjoying their summer and developing their relationship.

Next, we see Dustin Henderson returning home from summer camp. He is excited to show off his new radio and his skills in amateur radio communication. He tries to impress his friends with his newfound knowledge, but they are skeptical. Dustin is determined to reach out to his girlfriend, Suzie, who he met at camp, and he sets up his radio equipment in his room. He attempts to contact her, but his friends tease him about the long-distance relationship.

As the day progresses, we see Joyce Byers working at the local store, where she is trying to sell her new products. She is frustrated with the lack of customers and the mundane nature of her job. Meanwhile, Jim Hopper, the town's police chief, is dealing with his own issues. He is struggling with his feelings for Joyce and the challenges of being a father figure to Eleven. He is also trying to maintain order in Hawkins as strange occurrences continue to happen.

Dustin finally manages to make contact with Suzie over the radio. He is ecstatic and begins to talk to her, sharing details about his life back in Hawkins. Suzie, who is at her home in Utah, responds enthusiastically, and they share a sweet exchange. However, Dustin's friends grow impatient and urge him to end the call, but he is reluctant to do so. The moment is filled with emotion as Dustin expresses his feelings for Suzie, and they share a playful banter.

Meanwhile, we see a montage of the kids enjoying their summer, including scenes at the local pool and the arcade. They are carefree and happy, but there is an underlying tension as they are unaware of the dark forces that are still at play in Hawkins. The camera captures the vibrant summer atmosphere, contrasting with the ominous events that are unfolding in the background.

As the episode progresses, we see Hopper becoming increasingly protective of Eleven. He is concerned about her safety and the potential dangers of their relationship. He tries to set boundaries, but Eleven is frustrated by his overprotectiveness. This tension leads to a confrontation between them, where Eleven expresses her desire for independence and Hopper struggles to let go.

The episode culminates in a dramatic scene at the end, where the camera pans to a mysterious laboratory facility. We see scientists working on experiments, and it becomes clear that they are involved in something sinister. The atmosphere is tense, and the audience is left with a sense of foreboding as the episode concludes, hinting at the dark events that will unfold in the season ahead.

At the end of "Stranger Things 3," the characters face a climactic confrontation with the Mind Flayer, leading to significant losses and emotional turmoil. Eleven and her friends manage to defeat the creature, but not without consequences. The Byers family decides to leave Hawkins, and the group is left to grapple with the aftermath of their battle and the changes in their lives.

As the episode unfolds, we begin with a scene set in the summer of 1985, where the town of Hawkins is bustling with activity. The camera pans over the newly opened Starcourt Mall, a symbol of the changing times and the excitement of summer. The mall is filled with teenagers, including Mike Wheeler and Eleven, who are enjoying their blossoming relationship. They share sweet moments, but there is an underlying tension as they navigate their feelings and the dynamics of their friend group.

Meanwhile, we see Dustin Henderson returning from summer camp, eager to share his experiences and his new girlfriend, Suzie, with his friends. He is filled with excitement and anticipation, but his friends, particularly Lucas and Max, tease him about his long-distance relationship. This playful banter highlights the camaraderie among the group, but also sets the stage for Dustin's determination to prove himself.

As the episode progresses, we witness the emergence of a new threat in Hawkins. The Mind Flayer, a malevolent entity from the Upside Down, begins to take control of the town's residents, using them as hosts to create a monstrous creature. This development introduces a sense of urgency and danger, contrasting sharply with the lighthearted summer scenes.

The group, consisting of Eleven, Mike, Lucas, Max, Dustin, and Will, begins to investigate the strange occurrences in Hawkins. They discover that the Mind Flayer is not only targeting individuals but is also building an army. The tension escalates as they realize the stakes are higher than ever before.

In a pivotal scene, the group gathers in the Wheeler basement to strategize. They are determined to stop the Mind Flayer, but their plans are complicated by personal conflicts and the challenges of growing up. Eleven struggles with her identity and powers, while Mike grapples with his feelings for her. The emotional weight of their friendships and relationships adds depth to their mission.

As the climax approaches, the group confronts the Mind Flayer in a dramatic showdown. The battle is intense, filled with suspense and action as they fight to save their town and each other. Eleven uses her powers to combat the creature, showcasing her growth and strength. However, the fight takes a toll on her, and the group faces significant losses.

In the aftermath of the battle, the emotional fallout is palpable. The Byers family, feeling the weight of their experiences and the dangers in Hawkins, decides to leave town. Joyce, Will, and Jonathan pack their belongings, and the scene is heavy with a sense of finality. The decision to leave signifies a turning point for the characters, as they must confront the reality of their lives and the impact of their choices.

The episode concludes with a poignant moment as the remaining friends gather to say goodbye to the Byers family. The bonds they have formed are tested, and the uncertainty of the future looms over them. Each character is left to reflect on their journey, the friendships they have forged, and the challenges that lie ahead.

In summary, the ending of "Chapter One: Suzie, Do You Copy?" encapsulates the themes of friendship, growth, and the struggle against darkness. The characters face both external threats and internal conflicts, leading to a bittersweet conclusion that sets the stage for the unfolding story in the season.

In "Stranger Things 3," episode 1 titled "Chapter One: Suzie, Do You Copy?", there is no post-credit scene. The episode concludes without any additional scenes after the credits roll. The focus remains on the main storyline and character developments throughout the episode, setting the stage for the events of the season.

In the opening of the episode, the Mind Flayer is shown to be still active and a threat, as it is revealed that it has been lurking in the shadows, waiting for the right moment to strike. The episode hints at its continued influence over the town of Hawkins.

In this episode, Eleven and Mike's relationship is depicted as being in a romantic phase, with Mike expressing his affection for Eleven. However, there are underlying tensions as Eleven struggles with her identity and the normal teenage experiences she is missing out on, leading to moments of frustration and longing.

The new Starcourt Mall is introduced as a central location in the episode, symbolizing the changing dynamics of Hawkins. It represents the commercialization and modernization of the town, which contrasts with the supernatural events that have previously plagued it. The mall becomes a gathering place for the characters, highlighting the shift in their lives.

Robin is introduced as a new character working at the ice cream shop in the Starcourt Mall. She is portrayed as witty and intelligent, quickly establishing a rapport with Steve Harrington. Her character adds a fresh dynamic to the group and hints at future developments in the storyline.

The radio transmission from Suzie serves as a pivotal moment in the episode, showcasing the ongoing connection between Dustin and Suzie despite their long-distance relationship. It highlights Dustin's determination and vulnerability, as he is eager to prove his worth to his friends while also revealing the playful and romantic side of their relationship.

"Stranger Things 3: Chapter One - Suzie, Do You Copy?" contains several elements that may be considered objectionable or upsetting for children or sensitive viewers. Here are some aspects to be aware of:

1. Mild Language: The episode includes some instances of mild profanity, which may not be suitable for younger audiences.

2. Intense Situations: There are scenes that depict characters in tense or frightening situations, which could be unsettling for sensitive viewers.

3. Romantic Themes: The episode explores teenage relationships and crushes, which may include awkward or uncomfortable moments for younger viewers.

4. Violence: While not graphic, there are moments of implied danger and suspense that could be alarming, particularly for younger children.

5. Supernatural Elements: The presence of supernatural creatures and themes may be frightening for some viewers, especially those who are sensitive to horror or suspenseful content.

Overall, while the episode is designed for a teen and adult audience, parents may want to consider these elements when determining if it is appropriate for younger viewers.