A drug-addicted psychiatrist inherits the case of twin sisters who speak to nobody and do everything in complete synchronization. Will she be able crack their mysterious case or will she die trying? Set in the deteriorating vistas of rust-belt Pittsburgh, Strange Girls is a dark tale of horror, manipulation, violence, and obsession.

25 years have passed, and old McCreedy rots away in a mental hospital, raving about demonic creatures. Meanwhile, Kevin and his friends, now all grown up but not all that much wiser, are visited by a bunch of wish-fulfilling monsters.