A professor and his wife are attacked at their house.

Ballauf and Schenk must solve the murder of a young homeless man.

Ballauf is at the center of a murder investigation during his class reunion.

A child goes missing from a social housing development.

Ballauf and Schenk investigate after a man's fiancee is murdered.

A farm owner is at the center of an investigation into a child's death.

Ballauf and Schenk investigate a publishing house after a young consultant is murdered.

Ballauf and Schenk dive deep into the life of a Cologne district after a landlady is murdered.

Ballauf and Schenk must solve an act of sabotage with deadly consequences.

A dead retiree in the park puzzles detectives Ballauf and Schenk.

Ballauf and Schenk are in a race against time to find a killer.

The body of a young man is found in an old military bunker.

Freddy and Max are back investigating new crimes on the mean streets of Cologne.