My Friend's Husband

Original title: 내 친구의 남편

“Aren't you sick of one man all your life? Let's switch husbands!”

Directed by Joo Jong-baek

Ji-eun was having a hard time because of her different taste in sex with her husband. She talks to So-hyeon next door about this and she suggests and new kind of 'sex therapy'; to switch husbands for a week.