Station captain Wolf Haller has a nightmare evening after a swell opera visit: on the way home his wife Sybille, who insisted to drive, confesses she 'met another man' and is badly hurt as a big black of wood is swung to the car window from a bridge. Both wake up in hospital but Sybille remains comatose for days, and prefers to see her new admirer, a Kiel professor with Turkish roots. Although officially on sick leave, Haller wants charge rather then Melanie, whom he ends up scolding a career vulture. He focuses on family man Sven Dörner, who reports, after fake social media posts Haller knows to be a legally safe trap, admits he touched the log but swears not to have thrown it. Drop out-knave Lennart Grolmann is pinpointed having been on site at the time, but denies and gets a probably false alibi from his protective elder brother Pascal. Haller's obsession with Donner meanwhile gets out of control.
—KGF Vissers