
Eun-mi and her husband have been married for 5 years, but they rarely have sex. Eun-mi goes through her SNS one late night and finds a post about 'invitation girls'. After thinking about it for a few days, she signs up for it and ...

A man prepares a surprise for his wife on their 5-year-anniversary. One day, a couple, a man in the middle of a divorce and his mistress, come to visit. An entangled romantic web ensues.

Newly married couple Eun-mi and Seong-soo look ordinary, but they both have their own secrets. Eun-mi enjoys calling her boyfriend to her home while her husband is away on work and Sung-soo enjoys watching his wife have sex with other men through the CCTV in his house. Not being able to get over the excitement he feels by doing that, he tells his wife everything and suggests she has sex with another man again...