Mike Windgren works on a boat in Acapulco, but when the bratty daughter of its owner gets him fired, Mike finds new work as a lifeguard and singer at a local hotel. Tensions increase when Mike runs afoul of the rival lifeguard—also the champion diver of Mexico.

The female survivor of a shipwreck and two Coast Guard helicopter pilots sent to rescue her find themselves trapped in a mysterious part of the ocean known as Satan's Triangle.

Young Sister Bertrille uses her ability to become airborne to help others, whether they want it or not. Although her aims are always benevolent, her means are often bemoaned by Mother Superior. The other Sisters must cope with their beloved Sister's aerodynamics and antics as she flies in and out of trouble.