Third Jerry Cotton Adaption. A big shipment of Nitroglycerine, enough to make a shambles of New York, mysteriously vanishes! It's a race between agent Jerry Cotton and the underworld to see who can find the deadly explosive first. To complicate things further, the nitro must be found before a torrid heat wave causes it to blow much of the city sky high.

A couple of hit men set out to kill an old friend.

The wife of a jet-set millionaire takes a holiday in Berlin and poses for racy photographs. These are stolen, a man is killed, and she decamps to the French Riviera with a different photographer, who may also now be in danger.