The day dawned with the discovery of four hacked corpses inside a student hostel. A brief investigation hinted a reprisal attack from a rival cult group. But it rippled into a nationwide menace as students were hunted and murdered in the midst of a boiling political crisis. Deputy Superintendent of Police Donald Ero was determined to unravel the oddities behind the unprecedented nationwide cult war and to rebuild the already dented image of the Nigerian police force.