Linda Andersson. In the past, she was a charming girl, the daughter of a famous singer, a favorite of the public. Now she is considered a monster. Linda is serving time for the brutal murder of her husband Simon in Sweden's most dangerous women's prison. One morning, the police find Linda next to Simon's bloody body. Investigators have no doubt that Linda is a killer. But she cannot remember the events of that night when her life was shattered. After six years of denying her guilt, Linda no longer has the strength to fight and resigns herself to fate. But a faint hope flares up again when she meets a new cellmate who knows all the prison secrets. Linda finally has a chance to find out what really happened that fateful night. But she doesn’t yet know that the path to truth is a road strewn with envy and lies, distorted memories and heartache. Where the greatest danger is the evil that we carry within ourselves...