Love comedy on the south island. Misato is a 19 year old charming girl who lives with her stubborn brother who goes on a trip to Okinawa with her girlfriends.

After failing to find a job, Mitsuo becomes a fisherman on a small island, and develops a crush on a young nurse there. Tora-san, dispatched to bring Mitsuo back home, himself falls in love with an attractive but troubled woman visiting her father.