Loveable young Molly Monster's world is turned upside down when her parents, Popo and Etna Monster, share some exciting but rather unexpected news… Molly is about to become a big sister! To hatch her sibling, Molly's parents must make the traditional journey to Egg Island, leaving Molly, too small for such a big voyage, at home with her Uncle. Upset to be left behind, and eager to start her duties as a big sister, a determined Molly, and her best friend Edison, set out on an exciting, and very eventful adventure of their own… 2016 TED SIEGER. Under Exclusive License to Kaleidoscope Home Entertainment Ltd.