Billy is your boyfriend. You're both in high school. Your best friends are Sidney and Tatum, Tatum was recently killed.

Your friends have been dying so you've fallen into a wave of depression. You desperately hope they catch the killer, unaware that it's your own boyfriend and his best friend.

"Kristen... Tatum was just killed at the party." Sidney tells you over the phone.

It's on the news that a killing just happened a few minutes ago when Billy crawls through your window.