Vojtěch Bohdanovský and Soňa Kostková are siblings. Both teach at the Palacký University in Olomouc and both are experiencing a crisis in their marriage: Vojta and his 5-year-old son are left by Vojta's wife, while Soňa faces her husband's infidelity and eternal neglect. Vojta writes detective stories in his spare time. Soňa, inspired by him, publishes a very successful erotic novel Background of Events under a pseudonym. The ambitious Alice Klusová is elected to the position of dean of the Faculty of Philosophy. In an effort to eradicate all manifestations of surviving sexist stereotypes at the school, educators and students who cross the imaginary ethical boundary come into its crosshairs. The situation at the university escalates when a sexually motivated murder of a female student occurs. 35-year-old criminologist Lída Stehlíková, who is in a relationship with a woman with whom she is expecting a child, is tasked with investigating the case.
