This special drama follows the lives of Mineko and her friends in 1970, 2 years after the ending of "Hiyokko."

Han Jeong Ho and Choi Yeon Hee are a wealthy couple from a prestigious family. Their reputation is suddenly turned upside down when their teenage son, Han In Sang, impregnates his girlfriend, Seo Bom, who is from an ordinary family. Bom is determined to endure being isolated from her own family and humiliation from her in-laws for the sake of her child's future, while In Sang struggles between his love for Bom and his family's high expectations.

Zhang Fan, an interior designer who is divorced and no longer believes in stable relationships; Pan Xiao Chen, a stellar insurance salesman who is experiencing a seven-year itch in her relationship; and Luo Xiao Xiao, a pet blogger who has never been in love, are three protagonists of different ages and personalities who are in a difficult situation in life. In the face of betrayal, deception and traps, they break through the bottleneck of life with sincerity and persistence, ushering in the highlight of their lives and meeting a better version of themselves.

This drama tells the story of a man who wanted to be happy even if only for a moment. Kang Soo (Choi Tae Joon) is a loan shark that tries to get by day to day in his depressing reality. His father’s abuse lead to his mother running away from home. Thanks to his father’s crippling debt, he began to work under Hwang Tae Bok (Park Ho San). Happiness wasn’t something that was allowed to him. His only dream is to find his mother and live a happy life. However, this is impossible in his life. No matter how hard he tries, he can’t escape the nightmare of his reality, and when he was about to give up on his life, he sees a flier asking, “Do you want to become happy?” With the smallest inkling of hope, he goes to the research center, so he can experience a bit of happiness. However, he learns that happiness comes at a steep price of 300,000 dollars. He decides to steal the money from Tae Bok. Will he be able to achieve happiness?

Wang Ruojun (Zoe Tay) is a veteran Nurse Manager. At a chance encounter, she disregarded her personal safety to rescue Liu Youle (Sheila Sim) who was attacked by ruffians. Youle felt profuse gratitude towards Ruojun. Youle meets male nurse Jia Zi (Elvin Ng) and falls in love. Yao Zong (Bryan Wong) is a miserly male nurse who finally meets his match in the form of a stoic, no-nonsense nurse Xin Ni (Rebecca Lim). This group of nurses work to care for several patients, each teaching them more about the value of life.

Tall, with a perfect figure and his qualifications as an Ivy League graduate, Kim Yi Han is Seoul's top male nanny. He is employed by Seo Do Young as a live-in nanny to look after her two young children, Eun Bi and Jung Min.

With great talent in the world of business, Xu Ran is the standard picture of a successful businessman, enjoying the luxuriousness of wealth at the summit of his career. Tang Qi Qi is a normal white collar female worker, living a life filled with trivial matters and unrealistic dreams. Feng Lu Fei is from a rich family, depending on her own skills to create her own world-three parallel lives intertwined with each other by chance. Who will the Prince turned Frog choose? The cute Cinderella or the beautiful princess? Police officer Wei Xiao is Xu Ran's best buddy; yet is always on bad terms with Xu Ran's subordinate,Ye Rou. What twists and turns will happen to them? On the otherhand, the Union, an international giant finance company, with spokewoman Xiong Jia Jie is slowly extending their dark hands towards them..

Fei Fei suffers from phobia and began to live with an attractive male. Throughout their daily lives, due to their conflicting personalities, there are countless of disputed making life harder. Zheng Er Xun dream of being one of the best-selling authors is met with difficulties due to Fei Fei taking up most of his time and attention. Also, Zheng Er Xun is a Chunibyo which made him attend in a cosplay contest. In their most difficult period with many setbacks, they start to heavily depend on each other and encourage one another to endure through.

Episodes: 12