A Gentleman's Dignity

Seo Yi Soo and Kim Do Jin keep meeting each other in the least expected ways and places. Do Jin deduces Yi Soo is in love with Tae San, a mutual friend.

Because of Me Ah Ri's, Tae San's younger sister, meddling, Yi Soo is forced to make a false declaration of love to Do Jin in front of Tae San.

After Yi Soo makes the false declaration of love to Do Jin, she ignores his calls and messages. Do Jin declares that he will have one-sided love towards Yi Soo.

Jung Rok swallows his wedding ring. Yoon accidentally lets Do Jin know he likes Mae Ri. Se Ra, after seeing Tae San's yearbook photo on Yi Soo's possession, realized the man Yi Soo likes is Tae San.

Se Ra catches wind of Yi Soo's feelings for Tae San and tries to get her to admit it.

Because of her jealousy, Se Ra reveals to Tae San who is Yi Soo's unknown crush. Do Jin kisses Yi Soo.

Tae San tells Yi Soo he likes Se Ra a lot. Se Ra tells Yi Soo she knows she likes Tae San. Yi Soo tells Do Jin she will start dating younger guys. Yoon is jealous because he keeps seeing Maeahri with Colin.

Me Ah Ri publicly confesses her feelings for Yoon, putting Tae San and Yoon in an awkward position.

Yi Soo wears the pink shoes given to her by Do Jin. He's happy when he sees her wearing them until he hears what he thinks it's her second false declaration of love, which hurts and upsets him. Because of this, he doesn't want to see her again. Once Yi Soo is back home, as the bubbles in her fantasy break like glass, she realizes she has fallen for Do Jin.

In an unexpected twist of events, Yi Soo is chasing after Do Jin in order for him to accept her apology.

Do Jin creates a "one-sided love" checklist for Yi Soo to complete so that they're even.

Tae San and Se Ra get into their biggest fight yet, which might mean the end of their relationship for good.