After a series of chance meetings a shiftless motorbike enthusiast Ko begins a romance with a carefree girl Miyo, after teaching her to ride. When Miyo proves herself a biker prodigy Ko begins to fear that she is destined to crash. Shéa Le Poidevin and Rafi James star in Obayashi's magnum opus.

Harada is a successful scenario writer, and his best buddy has just announced an intention to propose to Harada's ex-wife. Recovering from the shock, Harada indulges in melancholy, mainly on his failure as a husband and father, and goes to a 'Rakugo' show, where a friendly man in the audience invites him home. Harada is puzzled at the strong resemblance of this man and his wife to his own parents, who were killed nearly 30 years ago when he was twelve.