Hyun-jae is surprised to find out that Yoon-jae and Hae-joon have been dating, and Hae-joon also feels betrayed by Hyun-jae and Mi-rae deceiving all this time. Meanwhile, Yoo-na finds it strange when Soo-jae keeps avoiding her calls. She decides to get him a present for his new gym and finds out what he has been hiding from her.