Los que tocan el piano

Cayetana her boyfriend Paco and Venancio her foster brother commit small thefts and from time to time spend a few days in jail Until they meet with Federico a thief who has traveled abroad and convince them that using European methods success is guaranteed Paco then decides to act scientifically and seizes a hospital surgical equipment When they want to realize poor Venancio is forced to give an injection to a dentistry patient and even worse Paco has to pull out a tooth And all that before entering the operating room