爱德华·比奈是一个漫无目的的法国人，多年来一直在北非旅行，现在正驶向比利时。途中，他遇到了西尔维·巴伦。他把她介绍给Nemrod Lobetoum，一个富有的埃及人，带着贵重的珠宝，Sylvie和Nemrod成了朋友。他们的友谊升级为爱情，这让爱德华嫉妒不已。几天后，爱德华穿着血迹斑斑的衣服来到西尔维的母亲路易丝·巴伦夫人的一间小屋。Nemrod似乎是在抵达法国后在火车上被杀的，但Edouard否认知道发生了什么。Sylvie怀疑Edouard对Nemrod的死负有责任，但现在她的母亲已经成为Edouard的盟友。

Three little criminals get a tip for a great coup with lots of money in it. Unfortunately they lack the starting funds to buy the required welding torch. So they persuade their successful colleague Alphonse to join their team. But the well thought-out coup fails, and Alphonse is the only one of them who ends up in jail for several years. When he's released, he's out for revenge.