An FBI agent is killed by the mob after making off with five million in gold bars in a robbery gone bad. Agent Jerry Cotton is called in to bring the gang to justice and find out where his dead pal hid the missing gold.

Freelance photographer Cliff Wilder (Robert Stack) finds himself the target of various colorful villains in this quest for an ancient Chinese treasure when he accidentally acquires the key to its location, the Peking medallion.