A couple arrive by boat to a small fishing village where women dive for seafood. He is returning from a trip and he brings his latest girlfriend, a former hostess, with him. This causes jealousy with a local diver, a woman he had relationship with before he left. Meanwhile the other female divers find ways to satisfy themselves after a hard days work.

In accordance with ancient rituals a landlady who runs a hot spring spa, known for its fertility, needs to conceive or she will be forced to leave. Meanwhile the owner of the spa is happy to indulge in the erotic attentions of the many geishas working there who have hopes to replace her if she fails in her duty.