Monsieur Pélépan (Jean Poiret) is in trouble! The hair restorer he developed has had the opposite effect, making three men completely bald. To save what can be saved, he now urgently needs one million francs. He decides to "borrow" this sum from his company, the Bertin real estate agency, on short notice. Pélépan therefore sends chief accountant Heinrich Schmidt (Heinz Rühmann) and chief cashier Charles Migue (Fernandel) to the bank with a check. With the money in their pockets, the two amiable gentlemen embark on an adventurous odyssey full of mix-ups and complications, which takes them from Toulouse via Limoges to Paris. The two dutiful gentlemen cannot suspect that their special mission has a criminal background ...