Things cannot get worse. Cale, Mayo and Arco are punished at school and now Casi must go alone to the dragon store to take care of the dragon babies while Antón and some men try to surprise the band of thieves. He hardly likes adventures very much, but when Skunk, one of the gang, tells him that he can help him get the other hatchlings back, the boy has to make a decision. Should he trust him or will it be a cheat? There is only one way to find out.