Santiago, a country man with good principles, goes to the city in search of an opportunity, because he brings with him something that all men want: “the drops of happiness”. Along the way he meets his unknown twin brother and they decide to switch roles, living the most fun and uncomfortable adventures.

Elver is an indigenous man who arrives in the capital in search of opportunities and by a twist of fate comes to work at Don Toribio's residence, where the women discover his enormous sexual attractiveness.