Maggie is a successful doctor and she and her husband Will live exactly the life they dreamed of. One day, however, a shot man in familiar clothing is brought to her in the hospital. Maggie's life first grinds to a halt and then turns upside down. Despite their best efforts, Will cannot be saved, and Maggie is convinced that he was the victim of a burglary. But the police report is clear: Will pulled the trigger himself.
*****
Maggie is overwhelmed with both grief and searing questions. Her husband was not suicidal. He had so much to live for. After the funeral, Maggie goes to their vacation home on a small Croatian island to escape reality. But reality catches up with her even in an abandoned place and is much darker than she expected.
*****
Everything starts with a letter that Will wrote to her in case of his death, which contains clues that reveal a terrifying secret.
*****
As Maggie puts the pieces together, she discovers that Will's death is connected to someone from his past... Someone who will do anything to silence her as well.