Do-Hae is pretty sure his girlfriend is the one. She’s the perfect chick for him… except in one crucial way: there’s no chemistry in the bedroom. After the inevitable breakup, Dohae’s left alone and desperate for answers. Luckily, an opportunity presents itself in no time: he agrees to discuss his sex life on a show, hosted by the voluptuous Kim Hayan. Soon enough, the sexual sparks begin to fly as Do-Hae begins his “chemistry experiments”.