A sensual young man begins his working life as a delivery boy. Later, as a married man, his father moves into the household. Everyone seems content when the father asks to occasionally have sex with his son's wife. Their contentment only increases when the father brings home a young street criminal, and they are able to add to the variety of their joinings. The son has become a truck driver by this time. One day after an accident, he abandons his truck on the street and he and his whole menage head south.