A Secret Service agent and his brother, a reckless ATF agent, try to stop a group of extreme right-wing U.S. military mercenaries, led by a fanatic Taiwanese vixen, who hijack the Queen Mary 2 ocean liner with the U.S. and Chinese presidents on board with the aim to steal China's nuclear codes to arm China's ICBM missiles to use as bargaining chips for their personal crusade against China.
Join the Mystery Inc. gang as they take on their biggest challenge yet! When they're invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby, Shaggy, Fred, Daphne, and Velma to uncover the truth behind the mysterious happenings.
