Inseong is a guy to whom emotions are a mystery, but this will change when a boy as bright as the sun appears in his life. 

Detective Kim is sent to catch a serial killer in Busan. Detective Nam is the one that leads the investigation.  They need to be partners to catch the killer even if they can't stand each other. But what if they start to get too close? Hi everyone. I hope you'll enjoy this story. ^~^