Ten-year-old Michael is struggling with his family's move to a new fixer-upper house while his newborn baby sister is critically ill in the hospital. While exploring their dilapidated garage, Michael discovers a strange, filthy creature named Skellig hidden among the junk. Part human, part owl, and part angel, Skellig survives on flies and takeout. With the help of his quirky neighbor Mina, Michael secretly nurses Skellig back to health, triggering a magical journey of empathy, hope, and healing.