A one-shot canonical sequel to Geronimo Stilton-INTERPOL-The Christmas Chase. The squadron of 12 smart autonomous Koenigsegg supercars, dubbed as The Ghosts, are given a leave by their owner during a winter day in the beginning of February. As they were roaming free in the wet streets and roads of New Mouse City while their owner goes to a survival training with The Rodent's Gazette crew, the leader of The Ghosts accidentally bumps into a scene of a crime in progress. Starting a Code 3 pursuit chase with a stolen sports car, they're forced to be back on duty. Will they be able to catch the crook in the high-octane chase?

In the year 1645 dragons are few but still very real and one still seeks to find his mate his eternal lover and the only one he can have any chance of having a family with. but when he asks an ancient oracle when and where he will find his mate she tells him that his mate is not of this time. that he must sleep for a thousand years to find her... Now in the year 2009 Ryan a sixteen year old boy living in Oregon,Washington discovers a cave in the deep forests surrounded by water but for some reason the cave seems to be calling his name....