The action of "Wsród nocnej ciszy" takes place before Second World War.A series of cold and brutal killings of small boys shocks the citizens of Polish town.The children are murdered with a gun and a black clad killer always leaves one trace on crime scene:a small toy with the picture of a cat on it.Police officer Teofil Herman begins to track an elusive killer..."Quiet Is the Night" is based on Ladislav Fuks novel "Sledztwo prowadzi radca Heumann" from 1971.The acting is excellent and the characters are well-developed.The relationship between father and son is truly believable and tragic.The climax is strikingly powerful and intense.If you are a fan of Italian gialli or Fritz Lang's "M" you can't miss this forgotten Polish classic.8 out of 10.