When a young Scientist becomes entangled in a military mission to deliver the only antidote that will save mankind, she finds herself not only fighting for survival but also being confronted by demons from her past.
Just as she is recovering from a breakdown, Anna's world is rocked when her younger sister gets engaged. She teams up with the alcoholic best man to break up the engagement, convinced they are trying to save her sister, his best friend, and themselves from a lifetime of misery.
When Anna has a difficult time getting close to people, her sister creates a dating profile for her online. Anna starts to message a handsome man until she starts getting disturbing messages that a match is close by.
A year after a mean-spirited prom prank turned deadly, the most popular students of Sunnydale High are summoned back for a surprise reunion, only to find themselves at the mercy of a relentless killer.