Dois irmãos se afastam após a separação dos pais. O mais velho vive com a mãe e o outro com o pai, mas enquanto o primeiro sonha que a família viva toda junta novamente, o outro não quer isso em hipótese nenhuma. A chegada do trem-bala na região é acompanhada de um mito entre as crianças de que no encontro de dois trens existe uma liberação de energia grande o suficiente para realizar um desejo, e o irmão mais velho planeja uma viagem secreta para encontrar-se com o mais novo em uma cidade onde o encontro dos trens é provável para pedir que a família fique junta novamente.
In Mahoro, the fictional suburb of Tokyo, Tada works as a general problem solver for hire. One day, former classmate Gyoten appears unannounced. Both men are over 30 years old and divorced. With no explanation, Gyoten suddenly asks to spend the night at Tada's home. Eventually, Tada accepts Gyoten as his assistant and together they become involved in various cases concerning an assortment of people from different walks of life.
Based on the semibiographical novel by Jun Miura, Oh My Buddha is the classic summer coming-of-age story that is burned to a crisp with teenage angst, youthful dreams and that warm sense of folk zeitgeist of the 70s. The narrator is a first-year student at an all-boys Buddhist school. Jaded by his dull, ordinary life, he longs for the type of creative, liberal and forward life his idol Bob Dylan leads, writing rock songs alone in his room, imitating his hero's signature croon, until one day he got invited on an island trip of sexual liberation with his fellow liberal friend.
Tsuneo is a university student working part-time in a mah-jong parlour. Lately the customers have been talking about an old lady who pushes a baby carriage through the streets. They say she is carrying something for a crime syndicate, and they wonder what it is she has in the carriage Money? Drugs? One day, the owner of the mah-jong parlour sends Tsuneo out to walk his dog. A baby carriage comes rolling down a hill and crashes into a guard rail. The old lady asks him to look into the carriage, where he finds a young woman clutching a knife. This is how Tsuneo first meets the girl who calls herself Josee.
Tsuboi and Kinoshita have just arrived at a desolate town. Both of them are amateur filmmakers. Tsuboi is a screenwriter and Kinoshita a director. They have come to this town because Funaki, an actor, has tempted them to come here, but he has yet to arrive. Tsuboi and Kinoshita start wandering around the town and happen to meet a young woman, Atsuko. The three of them go on a journey together and become friends. But one day, Atsuko disappears.