Jung-sik and Ji-young got married after a hot relationship, but it has cooled down. One day, Yoon-soo and Sun-young move in next door. They have been married for 5 years, but still look like they're madly in love. Ji-young talks to them about her problems and they decide to help her sex life.

• Lee Hyo-won
• Yoon Joo-I
• Min Do-yoon
• Seo Won
• Oh Ji-hyun