One day, Park Yeon-woo, the hot girl of’Chosun’ who fell to Korea in the 21st century! When you wake up, isn’t the dead Westerner in front of you? Then this is the hell?! However, it is a speculation that he says that he looks just like you. “Please be my fake bride for just one day today.” Let’s make a fake marriage, the ambassador of the human race? ‘Marriage reset romance!’ Will this marriage really be safe?