Kaori is pursuing her career as a journalist for a magazine with great enthusiasm. But as a result of an article she wrote, she is sent to work for a community magazine at Fukuoka. An anonymous letter arrives, which puts her in contact with an old and forgotten theater, the 'Minato Theater' in nearby Shimonoseki.

A young boy in a peaceful seaside town gets more than he bargained for when he takes home a mysterious egg. When it hatches, out comes a baby turtle that grows into a new version of Gamera. But will it become powerful enough in time to defeat the rampaging monster Zedus?

A love story written by an ordinary housewife is going to be broadcast as a radio drama and almost everyone among the crew insists on changing various parts of the play to their liking.