It's just another day in the CliffsNotes Library (more books, less filling!) until a siren sounds, the doors automatically lock, and the not-so-studious students discover they are trapped. What's going on? Did the high-tech security system malfunction again? Or are they the subjects of a sinister state-sanctioned experiment? Then someone hears a gunshot (he thinks), a freaked out substitute teacher is found barricaded in the bathroom, and Crazy Lily...