Fifth Jerry Cotton Movie. A rich capitalist is blackmailed and threatened with the murder of his daughter.

In March of 1945, as the War in Europe is coming to a close, fighting erupts between German and American troops at the last remaining bridgehead across the Rhine.

The first film adaptation of Jerry Cotton. FBI agents Jerry Cotton and Phil Decker are tracing a group of six murderers. Disguised as a vagabond Jerry Cotton infiltrates the gang. Kitty, the leader's girlfriend, soon becomes Jerry's most important helper. With her help, he's able to prevent a bomb's explosion in a school. The deadly attack on a rich collector he can not prevent. The gangsters flee with the loot and a hunt to the death begins ...