Lizzie Hart's crazy love life has been leading up to this moment...when she finally gets to marry Blake Morgan. But with their luck, will they make it to 'til death do us part before the wedding even starts? It's June in the small town of Liberty, and that means it's wedding season. Faster than you can say "I do," the social height of the year turns deadly as a sadistic killer begins targeting couples on what should be their happiest day. The terror begins as a groom keels over before he can get through his vows. The clever killer frames Bethany McCool, the dead groom's ex, for the murder. Lizzie knows her friend Bethany is innocent, so she enlists the help of her fianc , Blake, and sets out to find the real killer. But as the mayhem intensifies, the duo realizes they're going to have to partner up with the police this time instead of trying to do all the sleuthing on their own. As if they don't have enough to do, Lizzie and Blake's big day is fast approaching, and neither of them can wait to tie the knot. Lizzie's domineering mother has taken over the planning for the wedding, but even she can't hold everything together as one by one the florist, the baker, and the caterer start pulling out over safety concerns. With the string of violence threatening to ruin their happily ever after, Lizzie and Blake must rush to find the killer before they become the next victims.