Just where is Level 7 and what is it? Two completely distinct plot lines ultimately cross paths and converge on a heinous murder. A man and woman wake up in a condominium room but have no memory of anything. The only clue they have to their identity is a tattoo on their arms that reads, "Level 7." Meanwhile, in a separate location, a solitary elderly lady goes missing having left the message, "Once you arrive at Level 7, there is no return," prompting her granddaughter to begin a search for her whereabouts.

There is a love you never notice, that steals up on you from nowhere…
Yukie Kitami president of a small travel agency, lives alone in a city center apartment. Her kid sister Kaori Hayakawa, is married to a salary man, with two children. When the pretty, strong-minded career girl and the dedicated wife and mother meet, they always fall out. One day, their mother collapses and is rushed to hospital. This event triggers changes in the sisters’ daily lives. In your teens and twenties, you always have time for love, but in your thirties and forties, when you have a job and family to worry about, relationships and responsibilities always get in the way. This is an aching, romantic story of the middle-aged in love.

Desperately in need of money, Hikari drops out of high school to pay her father’s debts and starts working at a television station as a cleaning lady. There she meets Masako, a television producer suffering from her drama’s low viewer ratings.
Masako soon realizes that Hikari has potential, and decides to hire her as one of her staff members. But things don’t go as planned. Working in the male-dominated corporate culture of the TV station, the two women find themselves alternatively clashing and cooperating to achieve their goals. Despite their ups and downs, one common desire always brings them together and guides them… they just want to be happy!

Although Shuichi has lost his wife, there is no lack of female influence in his life. He has three daughters who are eligible for marriage, and an assortment of women friends and lovers that has earned him the reputation of being a playboy. But the real love interest in his life is his female boss. How he and his daughters work out their romantic adventures provides both entertainment and enlightenment in the challenges of finding true love.