After the death of the village pharmacist, his widow Lina only inherits debts that he must face. Valentin, the old shoemaker, is the main creditor and the exuberant Lina must pay him what he owes, whatever it costs.
Leandro and Carancha inhabit the islands located in the Parana delta. When their son brings home a girlfriend, her presence makes Carancha jealous and dramatic consequences ensue.