It's the start of summer vacation and there's not much to do in Crossroads. Ellie, her neighbour Jake and his dog Pickle are just setting off on a walk when they meet up with Amy. New to the neighbourhood and hoping for adventure, she asks if she can tag along. Never in their wildest dreams could they have imagined how soon her wish would be granted, when Jake accidentally leads them through a portal into an incredible world of caves and magical islands,...