When the unicorn Star created during the Battle for Mewni discovers them, they run away and hide. In the Realm of Magic, Star and Moon explore the different worlds that the waterfalls connect to, one of which is the Sanctuary. As they wonder what to do about Meteora's soul-stealing eyes, Marco comes up with an idea. The team loses hope after the failure of Marco's previous plan, but Tom stands up for him and defends his unwillingness to give up. As the rest of Marco's forces discuss a new plan, Hekapoo suggests fleeing somewhere else and waiting for everything to blow over. On Mewni, Meteora continues on toward Butterfly Castle after absorbing Pony Head's soul. When she tells Star what she found, Star decides to see what worlds are at the top of the other waterfalls. PlotĪs Star and Moon continue having fun in the Realm of Magic, Star finds an upward-pointing waterfall, and Moon swims up to the top and finds herself in another world.
Star must find the courage to face Meteora alone and make a decision that will change the kingdom forever.
