As 'Secret Love Affair' Yoo Ah In and Kim Hee Ae started their dangerous love affair after living together, Yoo Ah In said to Kim Hee Ae, "You can just love me."

On the fifth episode of the cable channel JTBC's "Secret Love Affair" which aired on March 31, 2014, Lee Sun Jae, played by Yoo Ah In, and Oh Hye Won, played by Kim Hee Ae, started living together at Oh Hye Won's house. Oh Hye Won's husband Kim Joon Hyung bailed Lee Sun Jae out of the jail and took him home, because he was worried about Lee Sun Jae. Lee Sun Jae had disturbed a ballet instructor at a local ballet academy after having an emotional encounter with Oh Hye Won. After Oh Hye Won's husband Kang Joon Hyung took Lee Sun Jae out of the jail, he told him, "You should stay here with us for a while and make yourself comfortable." In related news, cable channel JTBC's drama titled "Secret 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.