The year 1914. The Lasarte racetrack announces a race with a never-before-seen prize for the winning horse. Eight of the best horses and mares in the world have registered. Fans and heavy betters from all the continents gather to participate in the great event: the Half Million Grand Prize.
Recounts the experiences of a middle-class family, the Alcántaras, during the last years of the rule of Francisco Franco and the beginning of the Spanish Transition to democracy.