Episode 1
After the inauguration party of Alex's new law firm, Wilsberg witnesses Alex's former classmate Maike Lehmann having a drunken accident on the way home.
Episode 2
Georg Wilsberg has a problem: A young Russian woman, living illegally in Germany, is found dead in a hotel room - murdered.
Episode 3
Alex's first case is about murder. Thomas Winter's wife has been strangled. Thomas is considered a suspect, but protests his innocence. Alex helps him escape.
Episode 4
Episode 5
Wilsberg goes to celebrate his 30th graduation anniversary, even though he hates such class reunions. Shortly afterwards, his old school friend is murdered, but his body disappears without a trace.
Episode 6
After a party, a woman is found seriously injured on the street. Ekki's car is parked nearby. Anna Springer arrests the hungover Ekki, but he refuses to make any statement.
Episode 7
Wilsberg is hired by Marie Kaiser to spy on her husband. The professor is cheating on her. When Wilsberg observes Kaiser, he is shot during lovemaking.
Episode 8
December 24th afternoon: Wilsberg buys a Christmas tree at the Münster Christmas market. At the same time, Ekki is bored at the Christmas party with his colleagues from the tax office.
Episode 9
Episode 10
After a visit to the Bullenball, Michael Klarmann is shot. Ekki, who was standing right next to him, is injured. From then on, Ekki believes that he was actually the target.