Toru Hayashi is an unremarkable bachelor who lives with his mother, until one day a young woman named Rumi moves in in the apartment upstairs. Rumi is a self-proclaimed master thief, but she needs socially awkward Toru's help to actually kickstart her so-called career.

In the past, Kurumi Usushima (Yuto Nakajima) wanted to become a ballerino, but he is now a detective. Kurumi Usushima and his senior detective, Takao Washio (Masahiro Takashima), solve a case by using the hypnosis technique past life regression.

This is a story about a son who pursue his career as a comedian by forming a comedy duo with his demented father. "Kazuki, are you still doing comedy?" "Yes, I am. Right now!" The Abe family is a rice farmer in Nishikan Ward, Niigata. The first son, Kazuki is unemployed, living at his parents' house, and writing comedy plot everyday. One day, his father Yoji fell down from a stroke while he was practicing for the local comedy competition. While facing the severe reality of becoming a home helper to his demented father, his companion, Masakazu told him he is giving up on comedy. Struggling between his dream and the reality, childhood and adulthood, he decides to enter the competition as a comedy duo with his demented father. Can miracle happen on stage for the father who lost his memory and the son who finally made up his mind?

Set in Shanghai during the turbulent years leading up to and through World War II, the film follows a group of Japanese jazz musicians and performers struggling to hold onto music, love, and friendship amid political unrest and war. As censorship, nationalism, and conflict reshape the city, their once-vibrant nightlife gradually gives way to disillusionment, separation, and loss.