"Tell No One" is a French thriller film directed by Guillaume Canet, based on the novel by Harlan Coben. The story follows Pierre Neuville, a man who is devastated after the murder of his wife, Margot. Eight years later, he receives a mysterious email suggesting that Margot is still alive, leading him to uncover a web of secrets and danger. As Pierre investigates, he becomes a target for those who want to keep the truth hidden. The film explores themes of love, betrayal, and the lengths one will go to for the truth. It combines suspense with emotional depth, keeping viewers engaged throughout.