Schuman and Oberhoff are successful hospital doctors who treat pregnant women. However, their personal lives are a mess. Schuman has to deal with his drug-addicted wife Claudia, while Oberhoff deals with his teenage daughter's pregnancy.

For fifty years, every ten minutes, a small transport vessel has crossed the Valsequillo lagoon, Puebla's largest body of water. Today, in the midst of unprecedented drought, the ship Mónica II, 'La Panga,' floats in lilies and mud.