Ken, Gwen's brother, stops in a small town for engine repairs and disappears. Grandpa Max arrives first to find him, Ben and the others soon after. They learn more about the alien conspiracy, and a heavy price will be paid to stop it.
An abandoned military base leads to an encounter with a self-proclaimed hero and a mysterious creature that ages people and objects. The team must stop the creature and help the hero who claims they've met before and will meet again.