When a suffocating veteran turned pill-addicted firefighter meets a breath of fresh air in the shape of a thrill-addicted E.R. nurse, one charged night through Los Angeles ignites more than flames.

When a nun’s cursed secret resurfaces on Emma’s 21st birthday, a lake-house reunion turns deadly. A masked cult and dark prophecy force Emma and her friends to face possession, betrayal, and a midnight ritual that could raise ancient evil.