Liebeskrank: While searching for an ancient burial chamber in Cologne, Dr. Bea Valori has suppressed the fact that she is a very lonely romantic at heart. This seems to change when colleague Michael Burger introduces her to the charismatic Jürgen Wiedener. He teaches minnesong at the university and has very specific ideas about a life for two. At first, Bea feels flattered by Jürgen's declarations of love. But then his courtship becomes more and more insistent. He is prepared to give everything for Bea. Even if it costs him his life...