Ex-government operative Bryan Mills finds his life is shattered when he's falsely accused of a murder that hits close to home. As he's pursued by a savvy police inspector, Mills employs his particular set of skills to track the real killer and exact his unique brand of justice.

After his fiancée, Kate, dies in an accident on their wedding day, veterinarian Henry grows depressed. To help him move on, his sister has him visit psychic Ashley and gives her Kate's diary. Ashley uses the journal's details to convincingly deliver the fake message that Kate wants Henry to move on. However, Kate's ghost is watching over Ashley and Henry. Furious when they fall for each other, she vows to sabotage their relationship.

Fourteen years after her son and estranged husband were presumed lost at sea, Kristen believes she glimpses them in the background of a friend's recent vacation video.