The company soldier Hannah and the scientists Gavin and Dimitri are researching an algae project on board the Rubikon space station, which is supposed to permanently supply humanity with oxygen and food. But suddenly the earth disappears below them in a brown, toxic fog and all contact is broken off - are they the last survivors of humanity? Should they initiate the safe station, dare the return flight and thereby risk their lives?

Through the eyes of psychologist Thomas Meiberger, we examine the mental, social and psychological factors of how and why criminal acts are committed. Even in cases that seem unsolvable, Meiberger is able to follow a thread back to the suspect by interpreting the sequence of events, the victim's behavior and subtle details that are invisible to others.

A missing child causes four families to help each other for answers. What they could not imagine is that this mystery would be connected to innumerable other secrets of the small town.