An omnibus series about four different couples living together in one apartment complex.

Five years after her son was killed, Tess Ford is ready to live again. But a one-night romance with a handsome soldier throws her life back into chaos as the young man's attraction turns out to be a frightening obsession.

Sara Gold is a young girl on a quest to save man's best friend. When she goes undercover to take down a dog breeder suspected of wrongdoing, she quickly finds out she might be on the wrong side of right. Sara must make a decision: to continue and follow the orders of her organization, United Animal Protection Agency, or trust her instincts and the boy she's fallen in love with.

Jung-yub is besotted with his stepdaughter Yun-hee and their relationship goes beyond father-daughter boundaries. Yun-hee seeks to escape her father's shadow and biology teacher Eun-woo is her only ray of hope. She tries to take their relationship beyond that of student-teacher. Eun-woo is reluctant at first but soon falls for Yun-hee.

Aya only dreams of finding love like her favorite opera character Carmen. But the person who steals her heart is a powerful hashish trafficker known as The Baron. After buying her virginity from her brothers, he soon reveals himself to be an illusory prince charming.

A woman who lost her memory falls in love with the husband she despised.

Haruko lands a job in a local tutoring establishment and upon showing up for work on the first day, she discovers that she will not be teaching Japanese people, but teaching people Japanese. Her students are all foreigners who live in Japan for several reasons, and she is faced with their many questions on the Japanese Language that she'd never really thought of before.

When her cheating husband has a debilitating stroke, a woman invites her lover to move in with them.