Under the dazzling lights of the host bar 'Kirin', lives Yoon Wooseung, one of its star hosts. One day, by chance, he comes face-to-face with the bar's owner, Tae-jeong.

Woo-seung's strange and peculiar demeanor piques Tae-jeong's curiosity, who, using money as bait, begins to toy with him.

"This isn't bad. I think I'll have to 'subscribe' to you."

However, as their relationship progresses, unexpected feelings begin to emerge between them. Gradually, their fractured pasts and most intimate secrets begin to be revealed.