A chaotic family go on holiday to Spain and get mixed up with a gang of diamond thieves.

Antoine Peyralout is baker Mouillefarine's tricycle delivery man. Comical and stuttering, Antoine shows more interest in the local soccer team than in professional integrity. A wedding cake pays the price for it and the young man is dismissed. Not dispirited in the least, Antoine decides to go to Nice, where his favorite team will play the final of the Cup. On his merry (and eventful) way, he has the opportunity to save a pretty camper, Popeline, with whom he falls in love. Once in Nice, he discovers that Dabek, the brilliant goal-keeper is not up to his task following bad news...

These two friendly delivery boys from a Parisian department store not only take their job to heart as much as possible, but also consider themselves responsible for the happiness of the customers they have to deliver to. This leads them successively to help, at the cost of incredible acrobatics, a young couple celebrating the first anniversary of their marriage, to mingle with the clientele of a rather disquieting doctor, to almost perish in an ambush that was of course not intended for them, and to avoid a domestic quarrel.

Fernand has just inherited a saloon in Texas from an uncle in America. Despite his inheritance, he is considered an intruder. Soon he's the victim of a cruel plot: accused of murder, arrested and kidnapped by Indians and gangsters. A young, beautiful, pure-hearted Indian, moved by Fernand's kindness, accompanies him back to the village. She's sure to become the owner of the Texas hotel.

Marcel, a simple-minded factory worker, is tricked into buying a high-priced American convertable car by a widow determined not to let it fall into the hands of her late husband's secretary/secret lover. Once in pocession of the car, Marcel only encounters one bad luck episode after another with the excessive gasoline consumtion, his wife trying to sell it to make ammends meet, getting into traffic jams, accidently riding into a car wash with the top down, and more.

Struggling actor Simon witnesses a murder; he didn't see the killer, but that doesn't stop him from claiming that he did in order to get his name into the papers. Sure enough, the murderer targets him as his next victim. Our hero is temporarily rescued by Jeanne, a fellow aspiring actress who has always had a crush on him.