Sam and his mother are swindling the people of Eden City with their medicine show, selling "miracle" cures to their gullible audiences. When their ruse is rumbled and the Eden City residents go after them, Prometheus steps in to help out. Meanwhile, they find an unlikely ally in Zeus--who helps get them out of their predicament, but not without a cost. In exchange, he wants Sam and Prometheus to help settle a score with the monsters of Greek mythology...