Eduardo Dfaz, aka Comeufias, is a boy of humble origins who lives in a marginal Buenos Aires neighbourhood in the late 1930s. His dream is to become a professional footballer. He and his friends spend their time playing football on a wasteland with a rag ball. Their biggest wish is to play with a leather ball. As the children are economically dependent on adults, they raise money through a raffle to acquire the coveted leather baiL As an adult, Comeuiias fulfils his dream, becoming a highly acclaimed professional footballer. However, due to heart failure, he is advised by the club doctor to stop playing. Comeuiias refuses to follow the doctor's advice and conceals his deadly disease from his family, his girlfriend and his friends. He continues playing, and with the money he earns, he buys his mother a house and pays for his brother's college fees. After some time, Comeuiias begins to show signs of poor health. His brother, who is a medical student, realizes what is wrong with him and seeks to put an end to the footballer's professional career.