A man must overcome many obstacles as he works his way through the dangerous crime world to the level of yakuza.

Emiko Hayasaka (Seiko Matsuda), who lives in Hawaii, has arranged a marriage with Akira Kuniyoshi (Shinji Yamashita), the son of the president of a hotel chain. Although Emiko is not yet ready to get married, Akira and both of her parents are enthusiastic about the matchmaking. During a summer vacation in Japan, Emiko is attacked with a knife by a boy, but is saved by Shinji Terao (Kiichi Nakai), a young man who happens to be passing by. Shinji is passionate about windsurfing and trains hard every day for the world championships. Emiko is attracted to him because of his sincerity, though he is not very sociable. Upon returning to Hawaii, she overcame her parents' objections and got him to break off his proposal to Akira. Meanwhile, the world competition is approaching and Shinji comes to Hawaii from Japan.

Tokyo is suddenly covered by a dome-shaped electromagnetic cloud for an unknown reason and is totally blocked and isolated from other parts of the world. The temperature inside the cloud is slowly increasing. The Soviet Pacific fleet is getting closer. The U.S. is forcing Japan to form a new government. Scientists and research workers outside Tokyo have to race against time to find out how to get through the cloud in order to rescue the 12,000,000+ lives in Tokyo and the fate of the country.

The seventh movie of the series “Yakuza Ladies” focuses on a wife of a small Osaka family. She risks her life to protect her husband’s family and its members against much larger, more established organizations.