A few months after successfully unchaining himself from his previous relationship, Taeyong is clinically diagnosed with insomnia. Things become worse when he's forced to work with Kun, a talented freelance producer whom he proclaims to be his archrival.

One night when Taeyong becomes too ill to continue working, he begrudgingly asks Kun to cuddle with him until he succumbs to deep sleep. The next thing they know, they find themselves visiting each other's flat to find comfort in each other's arms.

Or in which Taeyong and Kun become nap buddies that later on blooms into something more.