The section heads of a planning office Ji Hyeon-woo and Jang Myeong-soo get told by Director Han that one of them will have to leave the office if they fail to get promoted. Rumor starts to spread that Jang will lobby Han into his promotion by using his weakness of women. Hyeon-woo is anxious. He tries hard to appeal to Han but doesn't really cause much influence so he calls up his ex-girlfriend Ji-hyeon. He calls Han to his house and introduces him to her. Han is completely head over heels for the sexy and seductive Ji-hyeon. Meanwhile, Hyeon-woo's wife is upset because he blamed her for not getting his promotion, so she goes to 'talk to' Han herself...

Queen Insoo focuses on the fierce power struggle among three women in the royal court of the Joseon Dynasty.

Joon-hyeok is preparing to pass the exam for 9th rank government worker. Since it is his third attempt, he must pass the exam for sure this time. He becomes to live in a boarding house, which is a part of his father’s extraordinary measures to help his son studying. But what has been waiting for Joon-hyeok in the luxurious house was not the thick text books, but the two free-spirited women. Joon-hyeok begins his cohabitation with Ah-jeong, the owner of the boarding house, who is full of voluptuous beauty, and Dal-lae, a nurse, who exudes sex appeal from both her face and body. Since then, Joon-hyeok starts to spend every night to study women not his books.

Mi-young (Song Eun-jin) suddenly returned to Korea because she missed her first love that she could not achieve while studying in the United States. She learned that her sister Mi-hye (Joo Yeon-seo) and college senior Jae-hyuk (excitedly) became a lover. I can't sleep. Mi-hye, who gets to know Mi-young's heart, declares farewell to Jae-hyuk and asks her not to meet her younger brother, Mi-young. However, Mi-young respects her sister's choices, but cannot organize her heart for Jae-hyuk. A few months later, Miyoung and Jaehyuk meet again at the funeral. Mi-young begins to rekindle her love for Jae-hyuk, whom she had endured, and confesses to Jae-hyuk her sincerity she had not conveyed for a long time. On the other hand, Mi-hye, who learns the lofty heart of a divorced company senior, Young-hoon (Kim Do-jin), carefully starts a new love...

In the middle of the Joseon times, Song-do's gisaeng Jin-yi was skilled in painting and caligraphy. Unlike other gisaengs, she was also intelligent and well educated enough to be called the best out of the Best Three. Byeok Gye-soo is is a scholar who comes down from Hanyang to attend a ball. Unlike his rowdy friends, he has integrity and loves to be around nature. He hears about Jin-yi and his friends get him caught up in a bet that he won't be seduced by her...