Einstein

Elena and Tremmel seek Felix's help to investigate the murder of a software engineer in a public pool.

Felix requests help from the police after an unpleasant incident and the death of a university colleague.

Felix cooperates again with Bochum police to help them solve a baffling case of a man who fell from heaven.

While investigating a new murder case with Felix, Elena is visited by her sister, who needs a place to stay.

Bochum police investigate the murder by microwave of a man.

Felix discovers that Mrs. Brüggenthies' suicide is not what it seems; she has been murdered.

Felix is suspicious that his mother Constanze is spying on him and selling his research.

Felix and Elena investigate the murder of a musical theatre actor.

Felix needs to help Elena in a very special case; both will have to prove Tremmel's innocence.

Felix helps Elena investigate the passing of five elderly people in a residence.