Izzy and her family welcome foreign exchange student Alberto into their home, but after a series of mishaps and coincidences, and with a serial killer on the loose, Izzy begins to suspect Alberto is not who he seems.

There's something sinister under the surface of the idyllic, suburban town of Wesley Falls, and it's not just the abandoned coal mine that lies beneath it. The summer of 1995 kicks off with a party in the mine where six high school students witness a horrifying crime that changes the course of their lives. The six couldn't be more different. Maddy, a devout member of the local megachurch Kelly, the bookworm next door James, a cynical burnout Casey,...