She is a woman grappling with the recent loss of her husband, only to discover a series of cryptic messages he left behind before his death. He, a brilliant but distant investigator, is drawn into her world when she enlists his help to decipher the clues. As they unravel the layers of her husband's secrets, they find themselves growing closer, but both are haunted by their own pasts. The more they uncover, the more she realizes that her husband's death wasn't an accident—and that the secrets he left behind might tear apart the new love she is beginning to feel.