During WWII, Mario di Donati served with distinction in the French army, until the day he lost his head and deserted. For the past 15 years he has lived under an assumed name with his partner Germaine. When the latter learns about Mario's secret past, she cannot forgive him and he has no choice but to give himself up to the authorities. In the middle of his trial, Mario runs away again and hides in the apartment of his former mistress, Lilla...

A sadistic killer cult kidnaps and sacrifices beautiful women. A young girl, just paroled from prison, moves into a strange house and appears to be the cult's next victim.

Freshly released from a Russian POW camp, Italian soldier Raf Vallone tries to discover who betrayed his brother to the Nazis.

埃莱娜与阿尔多·乔瓦尼既是高空秋千双人组合，也是夫妻搭档。当阿尔多在表演中受伤后，他的位置由前搭档亚历山大临时顶替。新旧搭档爆发激烈冲突，次日亚历山大被发现死亡。埃莱娜开始怀疑，自己的丈夫可能就是这场谋杀的真凶。