Mom's Friend 5

Seong Soo, a twenty years old boy, decided to move to Seoul after being accepted into Seoul University. However, he was a victim of real estate scam. He then moves into his mother's friend's house. Moreover, it turns out that his mother's friend is a sexy self-employed mother and Seong Soo is attracted to her.

An art student named Gwang-ho gets dumped by his girlfriend because she was only his source of comfort, and that he's a Mama's boy and a premature ejaculator. He tries to avoid seeing her by going to a different academy and that's when his mother introduces him to her friend Soo-yeon, a sophisticated and intelligent looking woman. Gwang-ho falls for her. Gwang-ho's mother suddenly leaves for Australia because his father is sick and Gwang-ho gets to stay in Soo-yeon's house for a few days. Looking at her, he thinks of all the things he would like to do with her and Soo-yeon's niece Ha-kyeong stimulates him to do something about his feelings.

A father and his son's lives were wrecked after the wife got into a car accident. Her friend Mi-ae comes to the house to help them with the chores while she's away. She is a good housewife and an even better sex machines when she's drunk. The two men of the house give into her for her curves...

Min Jung's husband has been traveling for 300 days and she feels lonely. When her friend Chung Hee moves in next door, Min Jung often visits her house, during which she keeps meeting Jae Ho, Jung Hee's son. After having an impulsive affair with Jae Ho, Min Jung tries to forget about it, saying, "It was a mistake," but she keeps remembering his young body.

Jeong-hee goes home to take care of her sick mother. While Jeong-hee is gone, Yoon-soo convinces his father, Seok-jin, to call a housekeeper to do the chores while his mother his gone, and so comes Se-hee. Yoon-soo likes Se-hee and ends up sleeping with her. Seok-jin also ends up sleeping with her while receiving a massage from her.

Tae-hee, can't live without her dead husband, and is living alone without being remarried. Her neighborhood friends, Yeong-ju and Cheol-min still feels sorry for her. However, Yeong-ju's son, Min-ho, secretly takes pictures of Tae-hee, admiring her. One day, Tae-hee and Yeong-ju goes to the grocery when she heads back home, after forgetting her cellphone in Yeong-ju's house. Just in time, Min-ho comes out of the shower and hugs Tae-hee...