The Infiltration: Who has the last laugh? Man or beast?

Running smoothly on oiled wheels, the prestigious Goal High School in the Emirates, is anything but talkworthy, till a string of deaths and disappearances catapults the school into public limelight. The macabre remains of the sturdy nightwatchman is believed to have been caused by a wild dog attack. While parents panic, the eleventh graders take it up as a challenge and venture into the school premises at night to retrieve a cap that had been placed in their classroom as the object of a dare. The list of missing students multiply, baffling the investigating team and plunging the parents of the wards into grim despair. The residents of Abu Dhabi are gripped in a thrall of shock as the school slides deeper into the quicksand of terror. Frustrated by the dearth of customary leads, how was this baffling mystery going to be solved?