Unexpected (1977)

Ah, the good life... a beautiful home, an elegant swimming pool, a hot sunny afternoon and Steve Sartori - who could ask for anything more? After a rugged workout at the gym, Steve decides a refreshing swim is just what he needs. No one is expected so he strips down to the buff, dives in and sprawls out afterwards to relax. His stiff muscles are aching for a massage, but there's no masseur in sight, so he must make do. Steve is nothing if not resourceful, and he manages to ease his stiffness very well indeed, when suddenly...