Mike attempts to rescue a kidnapped Latin American diplomat being held with his wife at sea on his pleasure boat named Santa Rosa. ...

While off the coast filming whales, Mike and his boat-mate learn another guided missile expert has disappeared in the area. Investigating suspicious activity by some dive ...

Two prospectors (one of whom is at times violently paranoid about being cheated) ask Nelson to join them in a search for uranium deposits in a river bottom. When after tw ...