When siblings Ava and Oliver journey with their Hatchimals to the magical world of Hatchtopia, they quickly come across a worried Penguala. Her best friend, a Burtle, is nowhere to be found! What's more, they have a school project due soon, and need to locate a list of items-- including the rare Oopsy-Daisy, which never grows in the same place twice. Can Ava and Oliver help find her missing friend and finish the assignment in time?