Kwon Sehyeon is both an alpha and omega who enters the beta dorm at his university to hide his unusual trait. Since his omega side awakened late and is unstable, he needs to avoid alphas at all costs. But as it turns out, his kind roommate and old friend, Seo Junhoo, also entered the beta dorm hiding the fact that he is an alpha. Once he learns the truth, Sehyeon knows he should change rooms and stay away from Junhoo. However, an unexpected heat cycle has the two friends crossing the point of no return...