The newly single Morgan Ellis is reluctantly forced to attend the lavish wedding of her ex-husband, Noah, to his new bride. Still carrying hurt from the past, she vows to make it through the event without becoming emotional. However, little does she know, the new couple will be the least of her worries.
By the end of the big day, she has to figure out how to save her family and the wedding party from the evil witch terrorizing the wedding estate. As the inhabitants of the mansion are picked off, one by one, everyone realizes that they must work together to in order to keep themselves and their friends alive.