Ha-neul haven't seen her friend, Ye-sol for a long time, and so they spent a good time together. That time, Ye-sol's father, Min-soo enters the house. Ha-neul sees the young-looking Min-soo and makes a fuss. Ye-sol who is a little bit tipsy tells Ha-neul that he is her stepfather. That night, Ha-neul secretly entered sexy Min-soo's room...

Ji-suk, a wealthy mother, wants to send her son, Se-hyuk, to the medical school. While looking for a competent private education coordination, Although it succeeded in recruiting a high-ranking entrance exam coordinator,'Starring', which only a few elite students selected. After hearing the rumors,'Namjae,' the father of Euntae, a high school examinee next door, hears rumors and comes to contact the main character. Like this, the parents of Se-hyeok and Eun-tae's neighbors 'Starring', who was in a difficult situation after entering a strange competition Eventually, I would share the day of the week to go to both houses to teach Se-hyuk and Eun-tae. Although they will agree with the two families, Eun Tae, who is a senior high school student, is in medical school. Not interested and only busy with high school girlfriends Se-hyuk starts talking to a beautiful tutor, starring than the entrance exam.

"Trust me tonight" Min-ho is preparing to get a job and is spending some time in his parents' house. However, his parents aren't home and only his young sister-in-law is there. His brother Hyeon-soo had left the house after fighting with his wife. Min-ho can't help but feel attracted towards his young and appealing sister-in-law.

Gyeong-soo and Jeong-min used to be the happiest couple in the world. However, Jeong-min is left home alone after her husband leaves to the regional area for a lengthy business trip. While she tries to deal with her lonely feelings, her son’s tutor Min-hyeok starts flirting with her hard. And although Jeong-min knows she shouldn’t, she starts being attracted to Min-hyeok more and more. Meanwhile, Gyeong-soo finds his place in a boarding house in the regional district and starts getting attracted to the owner of the board house, who is a single mother with a young daughter.

Tae-soo is getting ready for a job in a single room that isn't soundproof and ends up calling his university senior, Woo-seong. Woo-seong recently hit the jackpot with stocks and is running a share-house near Seoul. Tae-soo explains his situation to Woo-seong and Woo-seong welcomes him to his home. When he arrives, he sees a naked woman and mistakes Bong-soon for his senior's sexy wife...

Jeong-goo is in a relationship with his son's girlfriend, Mi-hee. Mi-hee feels guilty and breaks up with Yeong-jin, and Yeong-jin who is struggling because of it, got in a relationship with Joo-eun. Yeong-jin's ex-wife, Yeon-ri meets Jeong-goo by chance and finds out about the whole thing, and Yeon-ri who was curious about Jeong-goo, sleeps with him...

One day, her family gathers for an offering and they worry that she's the only one without a boyfriend. Her brother-in-law, Ho-seok, sets her up on a blind date with his colleague, Min-soo, who has always been nice to him. The more she talks to Min-soo, the more Seo-ri realizes she is interested in her brother-in-law, Ho-seok. She then tries to meet up with him frequently.

Hyun-jin is always frustrated with his wife who always refuse her, saying she's tired. One day, Hyun-jin drinks with his friends, Min-seok and Jin-gi, and got a massage together per Jin-gi's suggestion. But then, he falls in love with the special service, and after that, Hyun-jin goes back to the massage parlor whenever he has time...