 who lives on a boat anchored at the port along with hundreds of mice who gather the teeth, clean, sculpt and polish them to turn them into shiny round pearls.These are taken through the city sewers to a jewelry store own by Morientes - an old friend of Pérez that trades them paying the teeth's weight in gold coins.What should have been a routine job for the mythical mouse won't be tonight since the most heartless and ambitious thugs decide to kidnap Pérez and take control of his boat and his fortune.