Tae-jin and Hye-jeong sense that there is a problem with their relationship so they decided to have a sex consultation to solve their problem. Sang-soo, who came to the sex consultation, suggests a solution for the couple. At first, they were embarrassed and awkward, but they accepted the sex advice to improve their marital relationship.

• Sang Woo
• Kang Min-woo
• Kim Min-jeong
• Yoo Jung