Rumble, a young treasure hunter, has come to Sonno Island in search of the legendary Dream Stone. Unfortunately the stone cannot be obtained through ordinary means... Enter, Tumble, a magical creature sent on a mission by the Queen to undo the seal on the temple... and Rumble's only way into the Dreamworld. Together, they'll travel by land, air, and sea through wondrous and sometimes twisted dreamscapes in order to recover the lost keys that will gain them access to the magical orbs necessary for breaking the temples seal.