After being unfairly accused of doping iduring a Marathon, Goyo former swimming champion in open waters, has abandoned everything to hide in the argentinian desert . Eight years after, Goyo comes back to Santa Fe to try to re-gain « his » Marathon. One night, with his car, he run over Chino a young pool swimmer, who dreams of being selected for the national team. A strange relation borns between the two men : they decided to participate together to the Marathon...