Studious college student Kyungsoo has been playing it safe his whole life, from academics to friends to relationships. Everything screams "stable!" 4.0 GPA, a tight knit group of companions, and a girlfriend who loves him. Kim Jongin is the complete opposite: unpredictable, insatiable, violent, and dangerous. He's been sent on a mission, forcing him to recruit Kyungsoo. What happens when the two collide? Opposites attract, they say, but to the two of them this is a mission impossible.