GFFs Robecca Steam, Rochelle Goyle, and Venus Mcflytrap are three new students beginning to settle in at Monster High. The trio must navigate the bewildering array of cute monster boys, established cliques, and monster-rific subjects like Mad Science, Ge-ogre-phy, and physical deaducation. As if that weren't hard enough, something strange and sinister seems to be happening at the school. Can the new GFFs solve the mystery?