When a bachelor party and a bachelorette party cross paths in Vegas, only the best man and maid of honor can save their friends from a night of epic “mistakes.”

When two freshmen pledges are accepted into the biggest party frat on campus, they think they have it all. That is, until the assistant dean forces the Alphas to share their house with a sorority or face expulsion from school. Not wanting to see their lifelong dream of becoming Alphas destroyed, the pledges convince the other members of the house to take back what’s theirs, waging an epic battle of the sexes to fight for their right to party.

It’s the end of the school year for a group of high school friends. Their senior prom was to be a night of elegance, rejoicing and celebrating, but when a psychotic killer hijacks their stretch limo, he is determined to have them Dead On Arrival. The teens are tortured while being held hostage, and soon turn on each other for survival. By the end, we learn that one of the teens had been keeping a secret that played a bigger role in their demise.