The two brothers embark on a challenging journey through the frigid winter, battling the bitter cold. As Daniel’s health declines, Sean grows increasingly worried and decides they must reach their distant grandparents' home for shelter and recovery. Upon arrival, they meet Chris, a neighbor and aspiring superhero who calls himself Captain Spirit. As Daniel and Chris bond, Sean enforces rules about Daniel's powers. Will Daniel keep his abilities hidden, or will he defy the rules when it matters most?