To pay a debt, a married man receives billions of won from a woman. In return for the money, the man gives himself to the woman.

Song Yeon-Hwa, a reporter of a weekly entertainment magazine, is 27 years old. Though she is almost kissed by her boy friend several times, she has refused without particular reasons. Then she lost her boy friend. Now knowing her shilly-shally is the reason of her lost love, Song Yeon-Hwa loses daily rhythm all in a furry. One day Han Kyeong-Hyeon, who seems to be a playboy, came to work with her as a photographer. Seating next seat Kyeong-Hyeon nags her chattering all kinds of things and wedging in every occasion. Yeon-Hwa, who suffers from aftermath of lost love, submits resignation with a burst due to nagging and scolding of editor-in-chief.

Due to an unplanned pregnancy, Ha No Ra married young and dropped out of school. But after two decades as a housewife, she finally gets the chance to experience college, alongside her 20-year-old son Kim Min Soo and his girlfriend Oh Hye Mi. Further complicating things, No Ra already has a strained student-teacher relationship, as her husband Kim Woo Chul and her first love Cha Hyun Suk wind up being her professors.

Eun Sang-Chul (Lee Sung-Jae) and his four children encounter difficulties after the sudden death of his wife. Then, a suspicious housekeeper named Park Bok-Nyeo (Choi Ji-Woo) appears. Because of the housekeeper, Eun Sang-Chul and his children faces various cases and family members who hate each other begin to experience love and reconciliation.

A notoriously shrewish TV drama writer and a Korean wave star who fight like cats and dogs every time they meet; a spinster flight attendant landlady and a nosy chef tenant who build a sense of camaraderie; a genius relationship-virgin composer who harbors a secret admiration for a scatterbrained producer. As they crash-land into each other’s lives, will there be love?