«Espléndido is a famous and undefeated racehorse. Suddenly, he starts losing races. One, two, three in a row. Emilio Sierra, his owner, tries to recover in every possible way, but he fails. Then he decides to sacrifice the horse believing that the horse is sick. At the last moment, Carlos Rojas, a young veterinarian, appears and saves the horse with the simplest and most surprising treatment. Espléndido returns to race and wins.»