Jason is so thrilled with the set of 12 mythological Greek god figures he receives for his birthday that he carries one with him to a local toy shop. Soon he discovers that a 13th doll - the Medusa Doll - was also made for his set. Surely this rare figure will be too expensive . . . or is it? Much to his surprise, the toy shop owner simply gives him the doll for free! At first, Jason can't believe his luck. But then strange stone statues start appearing, and Jason discovers that the true price of the Medusa Doll is stone cold fear!