❝Detective Kim, meet your new partner.❞ Detective Kim looked down at Soo Min briskly before a look of distaste made way to his face. ❝I can't work with her.❞ He said, coldly. At that moment Soo Min knew that her new partner was going to drag her in for a hell of a ride. * * * * * * * Meet Kim Taehyung, the coldest detective to walk the streets of Seoul. As Soo Min transfers to Seoul to work as a big-time detective, she gets partnered up with Kim Taehyung. As a series of murders cross their paths, they must put aside their differences and work together to find the clever murderer who goes by the pen name Penguin (펭귄).