Segismundo Porretas moves in with his son and daughter-in-law Candelaria. As the couple's economic situation is quite precarious, she suggests that he help with the household expenses with a part of his pension, but the old man is not willing to drop a penny. Candelaria quickly realizes that her father-in-law's goal is to get as much juice out of life as possible. Free adaptation of the work of Eduardo Vázquez Carrasco.