The Violin Case Murders

In the inaugural screen adaptation of Jerry Cotton, FBI agents Jerry Cotton and Phil Decker pursue a sextet of murderers. Disguised as a vagabond, Cotton infiltrates the gang. Kitty, the leader's girlfriend, soon becomes Cotton's most crucial ally. With her support, he prevents a bomb from exploding at a school. He cannot prevent the fatal attack on a wealthy collector. The gang escapes with the loot, and a hunt to the death begins.