
Larry Gordon, well-known crime writer, is on a train journey when a scream is heard. Upon investigation, the guard had been mugged and a man murdered. Another man is arrested but the full story is yet to be discovered.

A dying officer tells of a hidden treasure that was hidden in his grandmother's chateau. Years later, members of his Resistance group, led by a ruthless killer obsessed with the treasure, takes the gang back to France to recover it.