Maul is growing frustrated. Kenobi continues to elude him. He needs more. He needs his apprentice. But when Maul goes to gather Ezra. He finds something interesting. A blank slate. A fresh start for his plans. Meanwhile Sabine, has been suffering from nightmares ever since Dathomir. As well as strange feelings and intuitions.

An expedition group's quick stop on Berk inspires Hiccup to go out on his own expedition with his friends. However his plan back fires when they come under attack and are cut off from home on a unknown island. Which has a strange effect on Astrid.