Senba Aizawa (Tamiyo Kusakari) is a 46-year-old housewife. Before she married, she worked at a bank, but quit her job after her marriage. One day, her husband (Yuichi Haba) asks for a divorce. He met his first love (Yoko Moriguchi) through social network site Facebook and now wants to marry her. The couple are now going through their divorce proceedings. In order to keep custody of her son, Senba Aizawa gets a job at a luxurious hotel. There, she meets Yusuke Takaoka (Koji Seto) who is the handsome heir of the luxurious hotel chain. Senba Aizawa begins to have feelings for the younger Yusuke Takaoka. 

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Two former enemies from high school whose lives keep intersecting end up in a contract marriage with each other as adults. Xu Jian'an is an unknown author whose family is in a tough spot. To alleviate her situation, she has no choice but to agree to enter into a contract marriage with Lu Boyan. Lu Boyan has become a guru in the world of investments. The two people who have very different temperaments are also at odds due to a childhood misunderstanding, yet they must know learn to live together. Will their time together be sweet or will there be war?

Shin Young Joo (Lee Bo Young) is a female detective, a section chief with charisma, although she spends most of her time with petty criminals. She has to pay the debt of her family and speaks often harshly, but inside she has a golden heart. Meanwhile, Lee Dong Joon (Lee Sang Yoon) is a righteous elite judge, brilliant in mind, but with a warm heart and he has always a friendly ear for those, who are weak. Both work together to solve a case of corruption, involving the greatest law firm of the nation, Taebak, which turns out to be one of the biggest scandals ever.

Single mother Umihara Haru was active in the American business community until she was directly headhunted by the CEO of Itsuki Trading, a leading Japanese general trading company, and returned to Japan. She takes up the position of assistant manager of the elite Corporate Planning Department but her direct superior turns out to be the ex-husband whom she divorced 10 years ago. From ramen to rockets, Haru takes on all sorts of problems within Itsuki Trading’s enormous departments and affiliate companies. She proclaims that she wants to enjoy work and does things that defies common wisdom amid an atmosphere of paralysis due to a conservative deputy CEO.

The relationship of several couples who try to search for the meaning of the word ‘love’ which differ.

Pop and Mo are a young couple, in which the girl has dreams of becoming a steward and air hostess but only the girl, Mo, alone becomes an air hostess in an airline as what she dreamt of. That makes the guy, Pop, have to reluctantly work in the Catering department of the airlineinstead. This is just to be near airplanes, his girlfriend, and the steward profession that he dreams of. He then finds that his definition of love changes when he meets Oat, a trouble making coworker in Catering.

While working he becomes the one that people make fun of. “Necessary wife” is the position that he unhappily becomes because Oat likes to irritate and tease him often. Having to work together makes these two unintentionally become rivals in the workplace. Oat annoys Pop a lot, such that Pop doesn't know what to do with him. But the relationship of this couple progresses from not liking each other's faces to becoming a close firm friendship before they realize it.

At the same time, Mo meets Nick, a handsome pilot trainee of the airline, who is very dedicated to her.

This is also one of the few TVB series that TVB has produced that dealt with real life issues and scenarios. It's a series that involved both morals and life's lessons. The entire series featured problems that teenagers and young adults have been dealing with over past decade, including drugs, abortions, rape, family trust and relationships, money and greed.

Jang Sun Gyeol has wealth and good looks but suffers from severe mysophobia. He is obsessed with cleaning and even owns his own cleaning company. However, he meets a carefree and untidy girl named Gil Oh Sol after she enters his company as a new employee.

Oh Sol has worked all sorts of part-time jobs while striving for a full-time job and does not have the luxury to date or be clean. She gave up on being neat after facing the tough reality of the world and is known for always wearing her trademark tracksuit. But she has a bright personality and does not mind getting dirty. With the help of Oh Sol, Sun Gyeol faces his mysophobia and also falls in love with her.