The body of a man was found in the swamps, on whose hand there is a seal - a Chinese symbol of forgiveness. The police already have five unsolved murders. Same handwriting, no connection between the victims. Bella Richards knew the victim closely. Having moved to these places with her five-year-old son, she began a new life. It is obvious that she is overwhelmed with grief, but does not want to tell the police everything she knows. Detective Talbot Dyson wants to entrust the case to his best employee. This is Inspector Matt Brindle, but he's offside. During the last raid on the criminal, he was seriously wounded, and his sergeant was killed. However, he must become part of the investigation and decide whether he wants to return to his old life. What really connects the victims and who will be next?