The Disneyland Detectives are back at it in their third case at the Disneyland Resort. This time, the new Radiator Springs Racers ride in Cars Land is under attack. Someone has sabotaged the ride! It's up to Johnny, Rachel, and Buster to figure out who before it's too late. Things get even worse when the cars come alive, and attack the detectives! Will Johnny, Buster, and Rachel solve this case before Ty, the resort manager, is forced to close down the ride?