Chief Inspector Frank Thiel and Professor Karl-Friedrich Boerne are confronted with a student case that puts their professional and personal relationships to the test.

After a party at the Münster Medical Faculty, where Chief Inspector Frank Thiel and Professor Karl-Friedrich Boerne were also celebrating more or less wildly, the body of student Chris Haffmeister is discovered. He died from a mysterious stab wound. During the autopsy, forensic pathologist Boerne quickly determines that Chris was not alone in his final moments.