In search of her father’s murderer, Nina meets the aged ex-cop Rainer. Soon, the young loner and the failed family man fill a gap in each other’s lives. But Rainer withholds details about his shared past with Nina’s father and Nina must discover if he can be trusted. As Nina digs deeper into Rainer’s secrets, she finds him to be a broken and disillusioned man, who resigned from the force due to the corruption within his own ranks. Nina ultimately decides to clean up their past alone and in doing so ventures into mortal danger. Meanwhile the once withdrawn Rainer finally breaks out from his shell, having gotten a chance to correct his past mistakes.