Delicious Three Sisters

Sang Woo and his sibling Wan Jin come to his home with a drunk new employee In-hye after a company dinner. In Hye can't get up the next day. Sang Woo asks his younger brother Wan Jin for help and goes to work first. In Hye, who woke up late, heard about yesterday's situation from Wan-jin and went to take a shower to go to work, but she collapsed because she felt dizzy.

Min-seo and Dong-wook, who have fought with her husband and come to the house of her divorced friend, So- yeon, go to meet her boyfriend Jun-suk. Minseo looks at Dongwook's face and packs it. The two fell asleep. While Dong-wook, who got up first, was secretly touching Min-seo's chest, Min-seo wakes up and strikes Dong-wook... Minseo picks up Dongwook and lives with Chaedam's house. When Minseo goes home to pick up her luggage and meets her husband's lover, she organizes her heart for her husband and decides to live freely and enjoy life... Four people, including Minseo, Dongwook, and Junseok, live in Soyeon's house, look at each other, and enjoy the relationship freely.

Sang-Woo's house, Byeongjin, the younger brother of the family, is about to live for a month. Wanjin pretends to see Sang-Woo's lover, Jinju. Sang-woo finds out that they are dating for a while, and Sang-woo is complicated. The difference is Sangwoo, asking Jinju about her relationship with Wanjin. Her younger brother, Wanjin, doesn't even know Sang-woo's situation, and even invites girlfriend Seol-young to Sang-woo's house. While Wanjin goes out, Sang-woo twists Seol-young with revenge on Wan-jin. It does not come in. While Sang-woo and Seol-young are getting deeper between them, Jin-ju is coming home to reconcile with Sang-woo. So, who will she choose between her girlfriend Jin-ju and her sister Seol-young?