Gareth is thrilled when Jake, the new boy who's full of exciting tales, befriends him - but when Gareth is caught doing an impression of Jake's accent, everything changes. Jake is furious and determined to have his revenge! Gareth has to draw on the memory of his beloved Grandad, and on the only thing he has left of him - the magical, mysterious Avenger mask that Grandad wore when he was a wrestler. But is Jake really the opponent he seems to be? Download and start listening now!