Emma waits at the altar. The groom never comes — he walked into the wrong chapel and married someone else's bride. One chapel over, Jack watches his own wedding collapse.Their eyes meet for three seconds. "Then let's get married," she says.Three months, clean split, no hard feelings. But living together stops feeling like acting, and when the ex comes crawling back, her heart already belongs elsewhere.None of it was an accident. Someone wrote this script.