Wang-Gu jerks off to relieve himself while Woo-Hee is sleeping in the same bed. Woo-Hee gets aroused listening to him. Woo-Hee catches her husband kissing a co-worker.
After a big argument with her husband, Woo-Hee takes Wang-Gu to a hotel using an excuse, where they proceed to have sex for the first time. Meanwhile, Wang-Gu's ex-wife and the biological mother of his daughters is also introduced.
Hye-Jung finds the hotel room where Wang-Gu and Woo-Hee are and interrupts them. She is shocked and jealous to find that Woo-Hee is a rich woman before Wang-Gu kicks her out and he continues to have sex with Woo-Hee. Meanwhile, Min-Hyuk is also fucking Sung-Ji somewhere else.
