On the world of Eternia, a fragile balance exists between science and magic, a balance kept by the universe's mightiest hero, He-Man! On a peaceful mission to the island nation of Anwat Gar, the royal Eternian caravan comes under attack by the minions of the evil Skeletor! And on the island itself, the nefarious Evil-Lyn sets in motion a plan that could lead to all-out war!