Robert Shaw slaughters his wife's lover and runs away with his secretary Jacqueline. Helped by a French trapper who takes them for film-makers, they hide in Northern Canada.

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.