Tired of married life, the husband turns to his brother-in-law family who is staying at home an a long business trip. The husband, who only washed his fingers for no reason, attracts Casanova to encourage his brother-in-law's affair. In addition, he planned to lay down his brother-in-law's house as bait, but as things went wrong, his wife fell into Casanova's hands. The husband can't let go of his anger. When he confessed that to his sister-in-law and threatened to divorce, she said she would do anything for her good sister. The husband, who suddenly got a double income, slowly zips down, hiding his joy.

Jun-woo lives with his brother and his wife. After fighting with his girlfriend, he has a drink with his sister-in-law, local, and consults. Due to his brother's frequent business trips, the lonely brother-in-law seduces Jun-woo to have sex with him.

Twins Tia Landry and Tamera Campbell were separated and adopted at birth. Fourteen years later, they encounter each other by chance at the mall. After the families meet, Tia's widowed father agrees to let Tamera and her single mother move in with them.

Jang-soo and Seong-yeon have been married for about 10 years, but they have an unspeakable secret; Jang-soo's brother, Jae-cheol. Jae-cheol used to go out with Seong-yeon before she met Jang-soo. And although Jang-soo couldn't help but marry Seong-yeon knowing her past, he himself had a young girlfriend named Eun-hye... Jae-cheol was getting along fine with Eun-hye when one day she breaks up with him. The love story between two brothers in "Big Breasted Sister-In-Law" will soon come out.

A drama set at a Swiss ski resort and centered on a boy who supports his sister by stealing from wealthy guests.

A girl who has lost her parents due to a tragic car crash is facing the issue of pursuing an independent life of raising her younger brother that she barely likes…

When unstable Connie is tragically widowed, she finds it impossible to care for her delinquent adolescent daughter, Niki, forcing her son, Bill, to take his sister in. As the two begin to forge a healthy bond, well-meaning Bill implements his own method of treatment for Niki’s mental troubles, but, when turmoil persists, he must reconcile his beliefs with what actually may be best for his sister.

The film follows the unexpected relationships that develop between one hostage and two kidnappers.

Blondes and brunettes are rivals in this country, until a stranger with a ditzy attitude arrives on the doorstep of a trans diva.

Min-sang and Yoo-ra is already married for two years. Min-sang lives with his wife Yoo-ra and her sister Yoo-mi. Min-sang used to live alone because his parents died early, and Yoo-ra lived alone with her younger sister after their parents died in an accident. Because of this mutual understanding, when they were introduced to each other through a dating agency, they became attracted to each other, and they even got married... I'm starting to feel more and more like a woman.