After a personal tragedy, a police detective investigates a school massacre committed by a student - and another massacre. Are the 3 tragedies linked to demon possession?

A young woman suffers from heavy migraines. Her boyfriend tricks her into taking a fake pill to treat her migraines; side effect: an exploding libido.

The lives of three lonely strangers intersect while commuting on New York's 1 and 9 subway lines.