About the Book: ma Stelling confesses to planning the murder of Marianne Upton—only to discover that Marianne has been killed in exactly the way Jemma described. The shocking twist? Jemma was at the police station making her confession when the murder happened, giving her an apparently unbreakable alibi. Is she an innocent woman trapped in an impossible mystery, or a brilliant and cold-blooded killer who has outsmarted everyone? A gripping psychological thriller packed with suspense, twists, menace and deception, this ingenious crime novel will keep you questioning every clue until the final revelation.