Isidoro is a lazy guy, who loves parties and casinos, but has never worked, so he lives off his father's inheritance and making his uncle suffer. But because his uncle, Colonel Cañones, is accused of a crime against the nation, Isidoro must work for the first time in his life to find the true culprit.
Three friends at a beach resort work together to stop a gang from making a potion that can manipulate people's desires.
The new bathers, together with a spectacular bathtub, will arrive in Mar del Plata with funny gags on the beach, ingenious inventions, innovative traps and imitations, and with the help of the marine animals from the Aquarium, they will face an evil businessman, in a spectacular and fun ending.
