Hayeon spots a manager of the One Percenters' secret social club Platinum impersonating her name. She secretly joins the club for investigation and meets Taejun there. Minho runs into Hayeon while investigating a case in the club, and starts digging up the club's wirepuller, Jina. Amidst a risky entanglement with each other, their secrets are revealed. Who will be the winner of this game?