Still pining for his ex-boyfriend, Géraud has come to a French seaside town to present his new experimental film, but the only person keen on seeing it is the cinema's underage projectionist who becomes smitten with the handsome director.

Diagnosed with leukemia, a successful orchestra conductor learns that he is adopted, and his younger brother is in a village marching band. The conductor decides to help them win a regional contest.

Ten-year-old Arco lives in a far future. During his first flight in his rainbow suit, he loses control and falls into the past. Iris, a girl his age from 2075, comes to his rescue and tries by any means to help send him back to his own era.