The story follows a Roman architect named Lucius, who is having trouble coming up with ideas. One day, he discovers a hidden tunnel underneath a spa that leads him to a modern Japanese bath house. Inspired by the innovations found there, he creates his own spa, Roma Thermae, bringing in the modern ideas to his time.

Schoolgirl Kuniko is kidnapped by a middle-aged man Iwazono when she is jogging. He tells her that he had a failed marriage which leaves him a deep and everlasting scar in his mind. He kidnaps her in search of a perfect marriage and intends to lock her in the room and 'educate' her to perform perfect sex where body and soul are united.

In the mountain hot springs of Izu, Japan, a love triangle is waiting to happen. It is the late 1930s when the paths of a stunning woman fleeing Tokyo, a handsome bachelor and a blind masseur cross.

After a happily married couple running a hot spring resort are awakened to their sadomasochistic desires, their relationship will never be the same.

Rinko inherits her parents’ public bath after they pass away. She starts to manage the business with the help of an old and experienced worker, Mr. Tame. However, she soon realizes traditional public bath are no longer marketable in this new century. Rinko thinks of a "Bikini Body Wash Service" to attract more customers.

In ancient Rome, bathhouse architect Lucius (Hiroshi Abe) becomes famous with designing the original "thermae" (bathhouse). He receives an order to build a thermae in the colosseum to help gladiators recover from their wounds, but faces difficulties. Thus, Lucius travels again to modern day Japan through the time slip. He meets Manami (Aya Ueto) again, who is now a reporter for a magazine which covers bathroom. With the help of the flat face Japanese tribe, Lucius again designs a new thermae. Meanwhile, Emperor Hadrian (Masachika Ichimura) wants to keep the peace with the thermae, but the Senate wants to extend the land by using force. Emperor Hadrian and the Senate now have a confrontation and Rome becomes divided.

In 1970, a picture of a snow monkey bathing in a hot spring graced the cover of Life Magazine. Ever since, Japan's hot-tubbing primates have been protected and well fed for the enjoyment of tourists and photographers - they have become international superstars of the natural world. But while their unique lifestyle has brought fame, the rest of Japan's snow monkeys lead very different lives, enduring incredible hardships as they fight for survival in their beautiful but unforgiving mountain home.

In the grim Alaskan winter, a naturalist hunts for wolves blamed for killing a local boy, but he soon finds himself swept into a chilling mystery.

There's only one way to stop a filthy evil scientist from destroying the world, and it's with a powerful hot spring located under Shin-chan's house!

A snow monkey tries to enjoy a bath.

Obsessive scientist Nathan and his lover, the naturalist Lila, discover Puff: a man born and raised in the wild. As Nathan trains the wild man in the civilized ways of the world, Lila fights to preserve the man’s natural state. In the power struggle that ensues, an unusual love triangle emerges.

In a public mall bathroom, Lilly, François, and their 6-year-old daughter bid farefell to an unborn family member.