Forever

A medical examiner in New York City probes a fatal subway crash while also seeking answers about his own mysterious and unexplained immortality.

Henry suspects a bridge jumper's death is a homicide, not suicide, and teams up with Jo for an unofficial investigation. At the same time, his mysterious caller reappears, having followed him for years, and a letter on old stationery prompts Henry to seek Abe's help in uncovering its origins. Flashbacks reveal the early stages of Henry's romance with his future wife, Abigail.

Henry investigates a mysterious deaths linked to Aterna, an expensive anti-aging treatment that appears to be causing severe brain damage in New York's wealthy elderly. As he and Jo uncover more about the product, Henry recalls a historical case involving a friend who died of tuberculosis in 1906, suggesting a possible connection to the current mystery. Unseen threats and hidden truths continue to unfold.

Gloria Carlyle, a prominent and enigmatic matriarch of one of New York's most prestigious families, is found dead at a gala honoring her charitable work, sending shockwaves through her family. As Henry investigates the suspicious circumstances of her death, he faces pressure from the family to deliver swift results and is eventually removed from the case. With help from Abe and Jo, he explores the family's estate sale in search of clues, while personal memories complicate his professional focus.

A reformed addict and community activist appears to have died of a drug overdose, prompting Henry and Jo to investigate a murder tied to a real estate developer and a community organizer in a high-stakes conflict. Henry experiences a flashback to his 1890s medical work in New York tenements, where he cared for the poor and received a meaningful gift from an orphan boy. Meanwhile, Abe prepares a Sunday dinner for the team, and Jo seeks to uncover the nature of the relationship between Henry and Abe.

A human heart delivered to the homicide division launches Henry and Jo into a copycat murder investigation that mirrors the Jack the Ripper and Black Dahlia cases. Through flashbacks, Henry's past involvement in the original crimes is revealed, showcasing his long and varied history. An anonymous caller directs Henry and the team to look beyond the classic clues, leading them toward a modern and unexpected suspect.

Dr. Tyler Forester, a philanthropist and son of a wealthy financier, is celebrated for his charitable work before being found dead in his apartment. Detectives Henry and Jo investigate, uncovering long-buried secrets from his elite school days that may hold the key to his murder. As the past resurfaces, personal demons and old alliances are tested.

Henry and Jo explore the unconventional methods of a dominatrix who uses pain as a form of therapy rather than for sexual gratification. At the same time, Abe revisits emotional pain through a reunion with his ex-wife.

A man is killed when his car catches fire, sparking an investigation that leads into the jazz world, where questions arise about the true authorship of a legendary standard.

A British aristocrat engaged to be married is found dead in Central Park, sparking a murder investigation complicated by personal rivalries, romantic entanglements, and social class divides. As Henry and Jo dig deeper, they navigate New York's high society and a luxury department store, uncovering secrets that blur the lines between love, jealousy, and murder. Henry reflects on a past event from 1957 that may hold clues to the present case.

Henry is framed for a murder by his anonymous caller, forcing him to confront the police investigation and consider whether to flee or reveal his true identity to the public.

Henry resumes work to look into the killing of a young investor, the son of one of Abe's former Army comrades from the war. Abe and his old military friends take it upon themselves to assist in solving the case.

Jo and Henry investigate the murder of a jewelry store thief, uncovering a link to Jo's late husband.

A murder investigation uncovers hidden Nazi-era secrets and brings back a long thought-defeated adversary.

Henry and Jo pursue leads in the case of a murdered exiled monarch, while Abe uncovers a significant revelation about his family heritage.

A college student with a deep fascination for the 1970s is found murdered, drawing Henry into the investigation. Tensions and attraction grow between Henry and a professor involved in the case.

Henry's investigation into the death of an underground activist puts his secret at risk.

Following the murder of a salvage company owner, Henry and Jo investigate, pursuing both the killer and the lost gold from a shipwreck.

Jo and Isaac visit a punk rock club, where they encounter a strange occurrence when a mummified body is discovered inside the wall.

A blood-stained ballet slipper containing a human foot is discovered in a trash bin at a theater, prompting an investigation.

Henry embarks on the most significant case of his career when his ex-lover, Abigail, goes missing. Meanwhile, Abe secretly enlists Lucas's help to track her down, while Henry, unaware of Abe's involvement, brings Lucas and the team in under the pretense of searching for "Abe’s mother." As the investigation unfolds, a series of unsettling discoveries heighten the tension, ultimately leading Henry to a shocking revelation about Abigail's final secret.

Henry and Adam's escalating conflict reaches a critical point, with Jo caught between them as she investigates a murder linked to a missing ancient dagger. The dagger, which was responsible for Julius Caesar's death and Adam's original demise, becomes central to the case. As Henry and Adam confront each other, Adam fears that Henry's greatest vulnerability is the possibility of Jo uncovering his hidden truth.