Another 5 years have passed, and Sally and Selene are students at Creatureton University. All this time, Mad Mulligan has remained quiet. Monster society enjoys a period of tranquility in his absence, though Sally and the others have remained vigilant. In the wake of a terrible tragedy, a series of mysterious abductions occur throughout the city. As Sally and the others struggle to discover the whereabouts of these unfortunate creatures, a plot for the renegades to wipe out the governing leaders of both the human and monster races is uncovered. Yet, when a member of their past unexpectedly surfaces, their lives are thrown into a tailspin. Only the recovery of a lost item, buried deep in the catacombs of Creatureton University, can hope to defeat this latest threat. Will monsterkind survive the onslaught that threatens to destroy their way of life? And will Mad Mulligan appear once again to finish what he started 8 years ago?