Wolf is a British television series blending crime drama and psychological thriller elements. The story follows DI Jack Caffery, who is haunted by the unsolved mystery of his brother's disappearance. As he seeks closure, he becomes entangled with the case of the Anchor-Ferrers family, who face a horrifying ordeal at the hands of a sadistic tormentor. The intersection of these plots unravels in a harrowing race against time.