Inflamed by his readings of chivalric novels, Don Quixote, a knight with a sad face, accompanied by Sancho Panza, a peasant steeped in common sense, decides to set off across the world in search of improbable adventures.
Charming Mimi-Trottin is in love with typographer Louis Chausson, nicknamed Godasse. She meets Doudou, actually a Vicomte, estranged with his parents who are rich automobile manufacturers. Godasse abandons Mimi because of his professional ambitions and Doudou rescues her from a suicide. After making peace with his parents, the young man has Mimi hired as a typist at the factory. After winning a race with one of his father's car, he soon wins the heart and the hand of Mimi.
