Two young men decide to rob a residence believing it uninhabited, once inside the homeowners and another couple maintain a perverse game as fun for Sunday. One of the young enters the house but is cornered and subjected to all sorts of harassment and abuse.

One of the delivery men and three workers from a water bottling plant discover that the owners, due to the depletion of the spring, are using common water. The four friends think about denouncing the scam, but realizing that they would leave all the workers in the street, they decide to form a competing company based on the same ruse.