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?

Helen tries to do everything right, but the customers are not interested in the middle-aged woman in the sausage grill. As the straps cut deeper and deeper, Helen has to break out and from then on she does everything wrong, or right?

Two murders of prostitutes in a similar way - no wonder that Commissioner Sandra Mohr suspects a connection. The obvious suspicion that a serial killer could be up to mischief in Styria is initially dismissed by her supervisor Sascha Bergmann.