In this chilling thriller, a New York City detective’s life is shattered when his daughter and son-in-law are brutally murdered while honeymooning in Europe. The grieving father, Jacob Kanon, played by Jeffrey Dean Morgan, refuses to accept the official police conclusion that the crime was an isolated incident. Driven by a desperate need for justice, he travels to London to investigate, where he crosses paths with a tenacious journalist, played by Cush Jumbo. Together, they uncover a sinister pattern: the killer is sending taunting postcards to journalists before each murder, announcing his next victims across multiple European cities. As Kanon delves deeper, he finds himself in a cat-and-mouse game with a cunning and methodical predator who turns murder into a macabre art form. Directed by Danis Tanovic, the film maintains a taut, atmospheric tension that keeps viewers on edge. With strong support from Connie Nielsen as Kanon’s resilient ex-wife, the story explores the dark depths of obsession and the lengths a parent will go to for the truth. This gripping mystery will keep audiences guessing until the final frame.