Single mother Maria falls from the clouds when the police come: She does not believe for a second that her son, Matis could have killed the pretty Lea from next door. He is in his early 20s, but still thinks and feels like a child - right? After his arrest, Simon finds a sex booklet belongs to him that the bus driver Bacher sold him. Matis actually makes a confession, to which, however, the psychologist Benjamin doubts. In the meantime, mother Maria is investigating on her own. The thriller gradually increases its level and excitement.
A dark psychological thriller, A Pact tells the twisted story of a contentious love triangle. As teenagers, Paul tricked Georg into handing over his girlfriend Anna to him. Georg agrees, on the condition that he can have her back whenever he wishes. After decades of silence, when Anna and Paul have a family together, Georg suddenly re-appears. Strange things start happening to Paul, and it soon becomes clear that Georg has not forgotten the pact.