'Love Affair' Yoo Ah In and Kim Hee Ae shared a kiss started their dangerous love affair which started with a kiss. However, their strong first kiss ended with Kim Hee Ae's ignorance of Yoo Ah In.

On the third episode of the cable channel JTBC's "Love Affair" which aired on March 26, 2014, Lee Sun Jae, played by Yoo Ah In, and Oh Hye Won, played by Kim Hee Ae, shared a kiss at Oh Hye Won's house. On that day's episode, Oh Hye Won and Lee Sun Jae shared a kiss in front of Oh Hye Won's house. Oh Hye Won invited him to come inside of her house, but she suddenly realized that she should not have, and pretended that she did not remember anything that happened outside of her house. The day after, Lee Sun Jae was working and he received a text message from Oh Hye Won, which led him to act violently and get arrested by the police. In related news, cable channel JTBC's new drama titled "Love Affair" is a story of a forty something woman, Oh Hye Won, who is played by actress Kim Hee Ae, and a naïve genius pianist Lee Sun Jae, played by actor Yoo Ah In.