A thriller loosely based on one of the most violent Czech criminal cases of the nineties, popularly known as the Orlík murders. The film delves into the motivation behind the killings, exposing their exceptional cruelty and an absolute absence of moral values. The perpetrators executed four people on their way to achieving material gain. Two of the bodies were found at the bottom of Orlík reservoir, the third perished in a bomb blast, and the forth was shot at home...

The pragmatic, reserved and refined Maigret investigates murders in his singular unhurried manner and inevitably discovers the truth.