When I was a high school student, my sister was a sexy friend who kept me from falling asleep with all kinds of delusions every night. Min-soo's thrilling delusion catches fire after she accidentally meets her naked sister at home. After becoming an adult, Minsu and his friend Yong Joon get a job at a sister company. From her sexy friend, Minsu's secret work towards her, who is now reunited as a sexy female warrior, begins...
Sun-young and Do-han have been married for 3 years. Do-han's failure in business loses his home and they move into Sun-young's dad's home where he lives alone. Sun-young starts going clubbing as she can't stand her incompetent husband and meets Jung-hyun there. She comes home drunk every night or spends the night out, but Do-han can't say anything to her. Then one day, Sun-young's father, who is away on work, calls to say a woman who is going to be her step-mother is stopping by. Kyung-mi comes along. Kyung-mi's father met her on his business trip and was going to return home with her, but his trip ended up taking longer so she came ahead of him.
Min-ah and Jin-sung have been married 2 years, but Jin-sung can't get an erection no matter what Min-ah does. Min-ah's sexual appetite ibuilds until one day, Jin-sung gets a call from his friend Oh-hyun. His business failed and he was kicked out of the house so he needed a place to stay for a month. Oh-hyun came with his wife a few days later, but Jin-sung gets an erection as soon as he sees her. Min-ah suggests a shocking deal.
A young mother-in-law falls in love with her daughter's boyfriend.
A young man is preparing for the public official exams and is invited to his aunt's house to stay to save money. There he encounters an unexpected attraction.
Three men who have never properly been with a woman finally come face to face with their chance in the form of confident, aggressive women in their thirties.
