The TV series Sherlock & Daughter opens in Victorian London, 1896. Sherlock Holmes, portrayed by David Thewlis, is living somewhat reclusively in his famous 221B Baker Street lodgings, weighed down by the unresolved threats to his close friends. The initial scene plunges viewers into a tense atmosphere where Holmes grapples with the malevolent Red Thread criminal syndicate, who have kidnapped some of his dearest acquaintances. London streets are dark and foggy, echoing the grim reality Sherlock faces. Into this fraught world steps Amelia Rojas (Blu Hunt), a young Native American woman from California, freshly arrived after her mother's murder in America. She seeks Sherlock, whom she believes might be her long-lost father.

Their meeting is charged with hesitation and guarded curiosity. Amelia, bright and persistent, approaches the surly Holmes, whose demeanor carries the weight of many battles. She yearns for answers about her past and her lineage, while Sherlock is at first reluctant and troubled by this unexpected revelation. Yet, their fates entwine quickly as the urgency of the Red Thread conspiracy demands collaboration.

Episode 1, titled "The Challenge," begins with Sherlock sidelined and under pressure, possibly from authorities or shadowy forces, limiting his usual investigative freedom. But Amelia’s arrival breathes new life into him. The kidnapping of an ambassador's daughter is the catalyst for their first joint investigation. We follow Sherlock weaving through London's fog, piecing clues together with his meticulous intellect, paralleled by Amelia’s intuitive, street-smart approach. Their interaction is marked by a generational and cultural gap but also a growing mutual respect.

In Episode 2, "The Common Thread," Sherlock chases a stolen carriage across the bustling streets, sending Amelia on a parallel hunt across London. Amelia’s judgments and instincts lead her toward answers Sherlock hadn’t anticipated but also into heightened danger. The visuals here contrast the grandeur of London's high society with the shadowy underbelly where the Red Thread syndicate operates, and the pace quickens with palpable suspense.

Episode 3, "Partners in Crime," offers deeper intrigue: Amelia goes undercover at a woman named Clara’s home to gather clues — a tense scene where she navigates social deception with skill. Meanwhile, Sherlock takes a bold and risky path by visiting Newgate Prison under the pretense of meeting his archenemy, Professor Moriarty (Dougray Scott), adding a layer of psychological tension and the looming presence of Holmes’ greatest adversary.

In Episode 4, "For Kith and Kin," tension escalates as Amelia conceals vital information after encountering a charming yet dangerous man wielding a pistol. The narrative turns darker when her investigation leads to fatal consequences, compelling Sherlock to intervene swiftly. The stakes heighten; the pair’s bond deepens amid adversity and trust issues.

As the series progresses through subsequent episodes—"Doubting Thomas," "Sound Connection," "The Great Fleece," and culminating in "The Last Dance"—the relationship between Sherlock and Amelia evolves visibly. From initial wariness to a grudging partnership, they begin to learn from each other’s differing worldviews and methods. Amelia’s journey is one of self-discovery and claim to identity, while Sherlock confronts vulnerabilities traditionally hidden behind his intellectual façade.

Supporting characters enrich the narrative: Mr. Halligan (Ardal O’Hanlon), Sherlock’s loyal coachman and butler, provides steady support; Lady Violet Somerset (Fiona Glascott) represents the poised yet stern British aristocracy training women in high society's rules; Chief Inspector Whitlock (Aidan McArdle) exemplifies law enforcement’s uneasy relationship with Holmes; and Daniel "Dan" Moriarty (Joe Klocek), Moriarty’s estranged and criminally inclined son, adds complexity to the Moriarty legacy subplot.

Throughout the series, the gritty streets, the grandeur of Victorian England, and the claustrophobic prison settings are brought vividly to life, pulling viewers into each tense moment. The dynamic between Holmes’ cold logic and Amelia’s emotional intelligence offers the core dramatic tension, threading through the mystery of the Red Thread syndicate and the personal quest for identity.

The story concludes with the unraveling of the conspiracy tied to the Red Thread syndicate, the rescue or resolution regarding Holmes’ kidnapped friends, and a tentative acknowledgment of the father-daughter relationship. Their shared trials hint at a newfound respect and perhaps the beginnings of familial warmth, setting the stage for possible future adventures.

Sherlock & Daughter is a richly atmospheric, character-driven mystery weaving Victorian intrigue with personal drama, seen through the evolving partnership of a great detective and the daughter he never knew he had.

Sherlock Holmes is blackmailed and unable to investigate a series of high-profile kidnappings directly, which forces him to rely on Amelia Rojas to follow the trail of the kidnappers. He also investigates the role of the newfangled telephone in the Red Thread criminal syndicate's operations, while racing to Amelia's side when her mission leads to deadly consequences.

Amelia Rojas is a young Native American woman who partners with Sherlock Holmes to solve the kidnappings. She undertakes undercover missions, follows her intuition to dangerous places, and struggles with her own personal quest to discover if Sherlock Holmes is her long-lost father.

The series shows Amelia navigating a society where even debutante balls can be dangerous. She faces challenges such as enduring dance lessons and social barbs while working undercover, highlighting the perilous position of women in that era.

Sherlock turns to a brash insurance investigator named Birtwistle for assistance in searching for missing jewels connected to the kidnappings. This partnership helps advance the investigation while Sherlock tries to keep Amelia out of harm's way.

The Red Thread is a malevolent criminal syndicate involved in the kidnappings of Sherlock's closest friends. Sherlock investigates their use of the newfangled telephone and their broader conspiracy, which forms the central conflict driving the series' mystery.

The TV show Sherlock & Daughter (2025) is rated TV-PG, indicating it is generally suitable for a family audience but may require parental guidance for younger children due to some darker themes and scenes. While family-friendly in its overall framing, the series includes potentially objectionable or upsetting content for children or sensitive viewers. Such scenes include:

• Depictions or references to violence, including murder and bodily harm (e.g., a severed finger tied with red thread, a body found dismembered).
• A boy attempting robbery at knifepoint and subsequent physical retaliation by a main character.
• Scenes of distress, such as a girl tied up and sealed in a coffin, and discovery of a murdered woman (offscreen but implied).
• Mentions of domestic violence or battered women.
• Emotional tension involving family loss, abandonment, and trauma.

These elements may be frightening or intense for preteens or more sensitive viewers, so parental discretion is advised to assess suitability for children based on their maturity level. The mystery and thriller aspects, combined with these darker moments, make the series more suited to older children and teens within a family viewing context.

At this time, there is no specific information available detailing character deaths in the 2025 TV series "Sherlock & Daughter." The search results focus on the show's premise, cast, and reception but do not provide details about character fatalities. The series involves Sherlock Holmes and Amelia Rojas working together to solve a global conspiracy, crack her mother's murder, and determine if Sherlock is Amelia's father. If character deaths occur, they are likely integral to the plot and may be revealed as the series progresses or through more detailed episode summaries and reviews.