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.

In Berck hospital, a man no longer eats. Not even the piroshkis cooked by his wife. Alerted by their mother, the dying man's children kidnap him and try to turn this day into a race towards lost harmony.

Best friends Laure and Léa have been shopping for clothes. Léa wants to make Laure wear a skirt they bought, but Laure doesn't want to show off a scar she has on her leg. Léa has an unusual solution to make her scar disappear - to change the past so the damage never occurs.