chunk: In the changing room after gym class, Kim and Kelly discover the locker room mirror severely cracked and a shard missing. The offender blamed for Robin's death has escaped and Lt. McBride, Nick's father, investigates. Also during the day, Wendy, Jude and Kelly discover their year book photos in their lockers torn and stabbed with a piece of glass. During the senior prom, Kim and Nick perform a dance number to impress Wendy who had insisted Nick would be getting back with her after the prom. Later, Kelly and Drew make out in the changing room, but Kelly refuses to continue to full sex, resulting in Drew angrily leaving. As Kelly gets dressed, an unidentified figure wearing a ski mask and all-black clothing stealthily approaches her and slits her throat with a mirror shard. Jude and Slick have sex and smoke marijuana in Slick's van parked outside school grounds. Unbeknownst to them, they are being watched and are then attacked by the masked killer, who stabs Jude's throat. Slick