To escape a space prison, a band of misfits get together and become Galaxy Warriors When her sister Artemis is banished to Prison Planet, bounty hunter Demeter will stop at nothing to rescue her. With the help of her pilot Vesta, Demeter infiltrates the penal planet only to find that inmates are forced into gladiatorial death battles for the amusement of the galaxy's elite. With time running out, Demeter must face Enyo, the evil warden of Prison...