Zarah lives a great life on social media, but in reality, she struggles with mental illness. When her boyfriend of several years breaks up, everything turns upside down.
Two young girls are killed on railway by a passing train. It does not seem to fit the profile of a normal suicide. So if this is a double homicide who would do this and why? Martin Beck and his team start following the step backwards in order to figure out what has happened. With good and intensive police work they find man side trails from the main path.