Detective Jacob Kanon’s world is destroyed when his daughter and son-in-law are brutally killed while on their honeymoon in London. Unable to sit idle, Jacob enlists the help of a Scandinavian journalist and travels to London to get the answers he needs. Meanwhile, the detective finds out about a series of similar crimes taking place across Europe. The only clues are postcards with images sent to seemingly randomly chosen journalists by a narcissistic murderer, who announces the next horrific crime. Under these circumstances, Jacob embarks on a race against the clock to stop the horrible crimes once and for all. Will he succeed in doing justice?