A young man being schizophrenic remission is seen taken by an obsession for bikes. He remembers a childhood where they exit traumatized by his inability to pedal. Nevertheless, he tries again to ride a bike and fall. It ends at the hospital. Two amazing fellows will then take over and help him.

From the Atlantic to the Black Sea, Mathias and Philippe, two old friends, embark on a bicycle journey that Mathias's son made before his tragic death. The two men ride through the ordeals with tenderness, humor and emotion.

A young man explains to a small boy how to ride a bicycle.