7 Souls

Mary expected her seventeenth birthday to be a blowout to remember, courtesy of her best friends, fellow New York City prepsters Amy and Joon, and her doting boyfriend, Trick.
Instead, the day starts badly and gets worse. After waking up in a mortifying place with a massive, unexplainable hangover, Mary soon discovers that nobody at school is even aware that it's her birthday. As evening approaches, paranoia sets in. Mary just can't shake the feeling that someone is out to get her—and, as i...