With what used to be a group of friends, is split and turned into two groups because of a bad feud between the two leaders; Junmyeon and Kris. Sehun is a bad attituded boy who fiercely protects his group of friends; especially the leader, Junmyeon. Kai is an athletic boy who sides with the other leader and group for reasons unknown. Due to being Kai's childhood friend, Sehun is hurt and betrayed when his old friend chooses the other side; causing a feud too well up between the two of them as well. Their relationship becomes warped into a strange hatred. But now the two boys suddenly find themselves fighting an attraction towards each other. They both have to choose between swallowing their pride and admitting their feelings or staying beside their leaders in their ongoing feud.