Lucien, 14, can’t understand why his father, a serious and respected teacher, makes a fool of himself by dressing up as a clown and giving a show. André, Lucien’s father’s best friend, feels for the teenager and decides to reveal something from their mutual past that will explain the reason for Lucien’s father’s strange behavior.

After a long time, young Franz returns to the village of his childhood, Klein-Reibach. The big anniversary celebration is coming up. But he is shocked to discover that his hometown is threatened by a crack in the old, dilapidated dam. In order to save the village, Franz has to stand up to the inhabitants, who don't want to know about the impending danger. A drama in three acts.

Inspector Lanz has finally found peace after the serial killer he was chasing for years was killed in a car chase in London. Lanz now has time to relax for a few days in Vienna with his wife Karen. There the nightmare begins again: the killer is alive and he is now targeting Karen.

A patient dies beneath Dr. Robert Stenzel's hands. His wife, the virologist Simone, realizes too late that the deceased was carrying a contagious virus. Robert has long since been infected too. For Simone, a merciless race against time begins...