Space-conquering, saucer-aircraft explorer Captain Oscar Bravo, and his sly subordinate Lieutenant Foxtrot, are made prisoners of Queen Xaltalusia XXIII (Isabelle), after discovering a mysterious stone on their journey and being engulfed by her permanent and outlandish jail, Planet of the Toum, from where the cosmic crusaders must escape while fending off her heavy-duty military, and their own brotherly conflict, to restore love and peace in the Galaxy.