Richard Probert

Smugglers force Mike Nelson at gunpoint to locate and retrieve their narcotics cache from the ocean floor. Trapped in this dangerous situation, Mike must use his wits and diving skills to outsmart the criminals and disrupt their operation.

When fog causes a freighter carrying liquid nitro to sink on a reef, Mike Nelson takes on a desperate mission. He must dive into the deteriorating vessel to detonate the unstable explosives before they float free and endanger shipping lanes.

When celebrated news team Harry and Norma Hervey ignore Mike's warnings about diving hazards, their deep-water photo shoot of a sunken liner turns deadly. Mike must use innovative underwater techniques to save the physically unprepared couple.