The drama is about a female cop who deals with harsh criminal activities along with her superior and squad members. It depicts the greatness as well as the tough and sad sides of working mom’s life in Korea through the story of the elite woman detective.

After Choi Young Jin (Kim Hee Ae) takes time off from work in Mrs. Cop (Season 1), Go Yoon Jung (Kim Sung Ryung) becomes the new detective squad chief. She returned to South Korea after training with the F.B.I. in the United States.

Engineer Peng Sen's fiancee, Lin Qi, suddenly disappeared. All clues point to a mysterious foreign area in Bermuda. Peng Sen met Hu Yue during the process of tracing people. During their quest to find people, they discovered that Lin Qi was kidnapped by Peng Sen in the parallel world and Bermuda is the entrance connecting the two parallel worlds.

A story about unraveling mysteries and healing follows a man with special abilities and a woman with a dual personality.

Kong Yi Fei has many identities. He is a music teacher at a liberal arts school and a criminal psychologist with a talent to see the past through the sense of touch. Han Bing is a hot-blooded female reporter whose other self is a soul that is raging wild. The two meet after being accidentally pulled into a serial murder case. Together with their detective friend Xu Gao Sheng, they work together to capture the real culprit.

The Lusu area is an area rich of minerals but after the start of the anti-Japanese war this area became a battlefield for military strategists. The Communist party, which wants to unify to destroy the Japanese army, sends Zhu Yanming and Li Muxia to the Huangqiushan-area to unify the civil armed groups and destroy the enemy.

In this area two leaders of anti-Japanese armed groups are Sun Dadao and Tong Qigang. These two can't get along at all and the goal of Zhu Yanming and Li Muxia is to make everyone fight together against the Japanese army.

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.

In 1997, a mysterious ghost saved humankind and then disappeared. It reappears again 24 years later and helps a serial killer escape. Kim Sae Ha, Jung Sae Byeok and Song Eo Jin pursue the ghost for different reasons.

Yanagi Kenta had quit his job with a big chemical firm, to succeed the family’s laundry business 3 years ago. At that time, he had divorced his wife, Saeko too. Being clueless on how to deal with the customers that walk through the door, Kenta leaves it to the family’s long serving employee, Yan, to run the shop. One day, he receives an invitation to the class reunion for the 34th batch students of Tachisakashita Middle High School, his alma mater 25 years ago. The invite brings to Kenta’s mind, memories of Akehi, the girl with whom he had been going out for a few months at that time. Akehi is now married to a famous hairstylist, Taro, with whom she has 3 children. On the surface, it looks like a happy and ideal marriage, but in actual fact, Taro is a temperamental man who makes Akehi feel really small with his cutting words. Sakurai Ryosuke was the popular guy back at school. He too is married, but he feels suffocated in his marriage and wishes to find true love. Hirono Kaoruko is a successful pharmacist, who dislikes playboys like Ryosuke. Having been hurt by men in the past, she shuns marriage and focuses on her career. The four of them are reunited at the class reunion. Kenta and Akehi; Ryosuke and Kaoruko. Two couples in pursuit of true love, but at 40 years old, time is not on their side. Yet, it is still not too late to start all over again…