The year is Seitoku 2 (1712), and Japan has a new ruler. But Ietsugu, the 7th Tokugawa shogun, is only four years old. The power vacuum this creates has Edo Castle roiling in political intrigue and personal positioning of all kinds.

Nana runs an inn called Nakajima-so in a seaside town. One day, a young man named Fujii Shuntaro comes to visit and reveals that his girlfriend stayed at the inn one year prior, just before she died. Following in the footsteps of his lover, Nana takes on the role of guide and joins Shuntaro as he wanders the town.

Two work colleagues: he suffers from panic attacks, she has extreme PMS. Their company distributes toy planetariums. What may not sound like Ozu Yasujirō is actually precisely that: people are attentive and do each other good, without even realising.

A man’s body is found in the suburbs of Tokyo. The dead man was hit by a car and his head beaten by the reckless driver after the accident. The dead man had a wife named Noriko. She likes fancy things and she has a lover named Tsukada. It's also learned that the dead man was insured for 300 million yen. The media and the public look at Noriko and her boyfriend Tsukada with suspicion, but they have perfect alibis. Then, Detective Hibiki, who is in charge of the case, and Private Detective Kono become involved in a series of mysterious murder cases.