It’s been five years since her husband had passed away. Fuyuko lives in the quiet suburbs, in a small but loving home with her three beautiful daughters. Haruko, the eldest, is the lead vocalist in a band. Natsuko is the conscientious type, who spends her days in ballet classes beautifying herself. The youngest of the three, Akiko is a bookworm who found her niche in philosophy. Although the sisters may appear to have nothing in common, there is one thing they all agree on; "Mom needs a new husband".

Shortly after arriving in Kobe, "Jiro the Lefty", a killer with a natural talent, witnesses a man die in a crane accident which turns out to be a cover-up for a murder. Jiro soon finds himself on the run, tailed by a determined cop.

Shoichi Kokubun is a roughneck street musician, who has a brother that is determined to propel him into stardom. In attempt to catch the attention of a popular jazz band, his brother appeals to their manager who has the power to make him a star. In a graphic portrayal of love, betrayal and success, Shoichi brews up a storm with a 'rat-a-tat-tat' on the drums.

A massive underwater volcano erupts and puts a group of investigative scientists in danger. They are rescued by an atomic super submarine named The Alpha under the command of Captain McKenzie. The group is quickly taken to a vast underwater city known as Latitude Zero, a fantastic, Atlantean type utopia, a world beneath the ocean with its own sun. It is soon discovered that Captain McKenzie is at war with the evil Dr. Malic, a cruel scientist who wishes to rule mankind all the while conducting genetic experiments on humans and animals. Malic sends his agents to kidnap Dr. Okada, a human scientist who has created a serum that can immunize exposure to radiation.