On an episode of SBS weekend drama, "A Gentleman's Dignity" that aired on July 1st featured Collin (CNBLUE member Lee Jong Hyun) asking Choi Yoon (Kim Min Jong) if he his his (Colin's) father.

During the episode, when Colin informs the four men, "I was born in 1995", four men simultaneously say, "We dated in 1993... I guess she dumped us and met your father." Colin then says, "I heard their love was very passionate."

After their introduction, Choi Yoon realizes that Colin came to Korea just to find his real biological father and says, "Why did you come find us here? Does it have anything to do with your story of your biological father?" Colin then responds, "Are you my father?" then quickly added, "Isn't it illegal for a lawyer to release any information about his client?" and made Choi Yoon silent.

Also during the episode, Kim Do Jin (Jang Dong Gun) proposes to Seo Yi Soo (Kim Ha Neul).