Jess Wade is innocently accused of having stolen a cannon from the Mexican revolutionary forces. He tries to find the real culprits, a gang of criminals.

A team of maritime salvage workers are about to embark on a recovery dive. However the 1883 Krakatoa Volcano eruption provides more pressing problems.

In the winter of 1944, the Allied Armies stand ready to invade Germany at the coming of a New Year. To prevent it, Hitler orders an all-out offensive to re-take…