Brian's world is about to be turned upside down...again. Charles Moon is back to play more of his evil games. As people disappear without a trace from South Toheeden, it's up to Brian and his friends to figure out why. But first, they must solve a riddle, travel through portals to far off places, and find an antidote serum to destroy Moon's evil inventions. Now, Moon seems to be focused on Brian, and Brian seems to have an uncanny ability...