Segundo López, a mature and very humble man who has arrived in Madrid from Cáceres, his homeland, meets Francisca, with whom he falls in love, and El Chirri, a roguish street urchin with whom he will have adventures all over the huge and hostile city.

Segundo López, a mature and very humble man who has arrived in Madrid from Cáceres, his homeland, meets Francisca, with whom he falls in love, and El Chirri, a roguish street urchin with whom he will have adventures all over the huge and hostile city.