In 'Career of Evil', the third installment of the acclaimed detective series, private investigators Cormoran Strike and Robin Ellacott face a gruesome challenge when Robin receives a package containing a woman's severed leg. As the police concentrate on a suspect whom Strike firmly believes is innocent, the detective duo is drawn into a perilous hunt for the true culprit, navigating through the sinister pasts of four potential perpetrators. As they race against time with more vile crimes unfolding, Strike and Robin must confront not only the darkness waiting at every turn but also the evolving complexities in their personal and professional relationship.