The episode begins with Dr. Gregory House and his team at Princeton-Plainsboro Teaching Hospital. They are presented with a new patient, a teenage girl named Hannah, who has been brought in after collapsing at a party. She is disoriented and has a high fever. House, intrigued by her case, decides to take it on himself, despite the fact that he is still dealing with the aftermath of his previous cases and the dynamics of his new team.

As the team begins their examination, they discover that Hannah has a history of being a "bad girl," which includes drug use and a rebellious attitude. House is skeptical of her claims and believes that her behavior may be masking a more serious underlying condition. He orders a series of tests, including a CT scan and blood work, to determine the cause of her symptoms. Meanwhile, the team members, including Dr. Foreman, Dr. Chase, and Dr. Cameron, express their concerns about Hannah's lifestyle choices and how they might be affecting her health.

The results of the tests come back inconclusive, leading House to suspect that Hannah may have a rare infection. He decides to perform a lumbar puncture to test for meningitis. However, Hannah refuses the procedure, insisting that she is fine and does not want to be treated like a patient. This refusal frustrates House, who is determined to get to the bottom of her condition. He confronts her about her past and tries to understand her motivations, revealing his own struggles with addiction and pain management.

As the episode progresses, House's team continues to investigate Hannah's case. They discover that she has been in contact with a group of friends who are also involved in risky behaviors. House decides to visit Hannah's home to gather more information about her background and family life. During this visit, he meets her mother, who is overly protective and dismissive of Hannah's choices. House's interactions with the mother reveal the tension in their relationship and how it may be contributing to Hannah's rebellious behavior.

Back at the hospital, the team receives a new lead when they find out that Hannah has been using a new drug that is known to cause severe side effects. They hypothesize that this drug could be the cause of her symptoms. House orders a test to confirm their theory, but Hannah continues to resist their efforts, insisting that she does not have a problem. This leads to a confrontation between House and Hannah, where he challenges her to confront her reality and the consequences of her actions.

As the situation escalates, House decides to take a more aggressive approach. He confronts Hannah's friends, hoping to gather more information about her drug use and lifestyle. This leads to a tense exchange where House's unorthodox methods come into play. He uses psychological tactics to manipulate the friends into revealing the truth about Hannah's drug use, which ultimately leads to a breakthrough in understanding her condition.

With new information in hand, House and his team are finally able to pinpoint the cause of Hannah's illness. They discover that she has a rare autoimmune disorder triggered by her drug use, which explains her symptoms. House devises a treatment plan, but Hannah is still resistant to accepting help. He must navigate her emotional state and convince her that she needs to take responsibility for her health.

In the climax of the episode, House confronts Hannah one last time, laying bare the reality of her situation. He shares his own experiences with addiction and the importance of facing one's demons. This moment of vulnerability resonates with Hannah, and she begins to understand the gravity of her condition. Ultimately, she agrees to undergo treatment, marking a turning point in her character arc.

The episode concludes with House reflecting on the case and the complexities of human behavior. He acknowledges the challenges of dealing with patients who refuse to accept help, while also recognizing the importance of empathy in medicine. The final scenes show House's team coming together, having learned from the experience, and ready to tackle their next challenge.

In the ending of "Don't Ever Change," House and his team successfully diagnose and treat their patient, a young woman named Hannah, who has been suffering from a mysterious illness. The episode concludes with House reflecting on the nature of change and the impact of his decisions on those around him, particularly in relation to his team and his own personal growth.

As the episode unfolds towards its conclusion, the tension builds around the case of Hannah, who is revealed to have a rare condition that causes her body to reject her own organs. House's team, consisting of Foreman, Chase, and Cameron, work tirelessly to uncover the truth behind her symptoms. They face numerous challenges, including Hannah's emotional struggles and the ethical dilemmas posed by her situation.

In the final scenes, House confronts his own fears about change and the consequences of his actions. He has a poignant conversation with Hannah, where he acknowledges the difficulty of accepting change in life. This moment serves as a reflection of House's own character arc, as he grapples with his relationships and the impact of his behavior on others.

The episode ends with House making a decision that signifies a step towards personal growth. He chooses to embrace the possibility of change, both in his professional life and in his interactions with his team. The final moments leave viewers with a sense of hope, as House begins to understand the importance of connection and the potential for transformation in himself and those around him.

As the camera fades out, the audience is left contemplating the complexities of change, the nature of relationships, and the ongoing journey of self-discovery that House and his team must navigate.

In the episode "Don't Ever Change" from Season 4 of House, there is no post-credit scene. The episode concludes without any additional scenes or content after the credits roll. The focus remains on the main storyline and character developments throughout the episode, which centers around a patient with a mysterious illness and the dynamics within House's team. The absence of a post-credit scene allows the emotional weight of the episode to linger, emphasizing the themes of change and acceptance that are explored in the narrative.

Hannah, the teenage girl, suffers from a rare condition that causes her to have severe and unexplained symptoms, leading to a complex diagnostic challenge for House and his team.

House's team grapples with the ethical implications of treating Hannah, particularly as they uncover her past and the impact of her condition on her life, leading to heated discussions about the morality of their decisions.

House's relationship with his team is strained as they navigate the challenges of diagnosing Hannah, showcasing House's often abrasive leadership style and the team's growing frustrations with his methods.

Hannah's character embodies the theme of change as she confronts her illness and the implications it has on her identity and future, prompting House and his team to reflect on their own personal growth and transformations.

The title 'Don't Ever Change' reflects the struggles of the characters, particularly House, as they face the consequences of their choices and the desire for personal growth, while also highlighting the tension between accepting oneself and the need for change.

"Don't Ever Change," the twelfth episode of Season 4 of House, contains several elements that may be considered objectionable or upsetting for children or sensitive viewers.

1. Death and Mortality: The episode deals with themes of death, particularly in relation to a patient who is facing a terminal illness. This can be emotionally heavy and may provoke feelings of sadness or anxiety.

2. Medical Procedures: There are scenes depicting invasive medical procedures and discussions about illness that may be graphic or unsettling for younger viewers.

3. Emotional Turmoil: Characters experience significant emotional distress, including grief and conflict, which may be intense for sensitive audiences.

4. Family Dynamics: The episode explores complex family relationships and the impact of illness on these dynamics, which can be poignant and potentially upsetting.

5. Confrontational Dialogue: There are moments of harsh or confrontational dialogue that may not be suitable for younger audiences, as they can be emotionally charged and intense.

These elements contribute to a mature narrative that may not be appropriate for all viewers, particularly children.