Based on the best-selling serial novels by Higashigawa Tokuya, the drama is about private investigator Ukai Morio, a man who talks much. The story starts with Morio and policeman Tomura Ryuhei at a gorgeous mansion with three gentlemen and two ladies, and a murder to solve.

Police Officer Enami Atsushi was a capable detective with MPD’s First Investigation Division. For a certain reason, he was demoted to Okutama Police Station’s Mizune Police Substation and is now well-liked and known to the local people of Okutama as “Chuzai-san.”

Yan Da Feng's grandfather was a hunter who had been injured, he was lucky to survive from a girl named Huang Chun Xiang, she was a herbalist, and treated him with herbal medicine. He fell in love with her, and promised he would come back for her. Years past and Da Feng's grandfather became an herbal medication enterprise company and never did come to get Chun Xiang. Chun Xiang grew old, but never gave up, she still waited for him to come get her. Chun Xiang was also raising her daughter's kids, Xie Fu An and Xie Pi Dan with their loyal dog Anthony. Xie Fu An also studied herbs, and one day as she was treating patients in the local hospital, Da Feng's grandfather was suddenly having an heart attack. Rushed to the hospital, Fu An gave him herbs which helped him regain consciousness. After he woke up, Fu An face looked very similar to Chun Xiang. He announced that he would give away his fortune to the one who marries Fu An, Da Fengs becomes tempered and sends out a killer to end her (not knowing who Fu An is). Realizing that Fu An was the girl he met in the village, he agrees to marry her for the money, but when Da Feng has feelings for Fu An, he regrets setting all his traps to send her away. With their feeling starting to grow, will Han Dong Jie and Jiang Zhen Zhen come in their way? Will Xie Fu An and Yan Da Feng be together for eternal love? Or will they separate their ways...

Kim Sun Woo, who spent his school days as a troublemaker, decides to make a change in his life and joins the sea special attack team, which is called Poseidon. Sun Woo works as a promising commando, but he unexpectedly becomes entangled in an unsavory incident after 2 years. He is demoted and is sent to a maritime police office in Gunsan city. Sun Woo's passion cools down and he slowly loses his vision as a maritime policeman. Then one day, Jung Ryul, who has formed a new crime investigation section in Incheon city, visits Sun Woo and asks him to join the team... 

Takahashi Asanosuke is the son and heir of the headman of a town. His father arbitrates civil cases which the town’s magistrate cannot try. Asanosuke and Yagi Seijuro, the resourceful son of the neighbouring town’s headman, are skilled because they apprenticed as constables. Soma Kichigoro is their close childhood friend. Asaknosuke had been a serious and outstanding youth until the age of 16. However, he became a carefree pleasure seeker at some point. Though usually completely unreliable, he actually possesses exceptional deductive skills. The trivial matters of Edo’s people would be brought to him each time. However, he would skillfully solve even the most chaotic and disentangled matters with unexpected methods.

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A worldwide pandemic causes the medical system to collapse across the world, including Japan. Under this very difficult situation, the best university hospital in Japan, Totei University Hospital, makes the decision to focus on infectious disease and internal treatments, while postponing any noncritical scheduled surgeries. The hospital also faces a power struggle, while dealing with the infectious disease crisis. No matter what, Daimon Michiko goes her way as a surgeon.

A third-rate actress with leukemia becomes entangled with CEO Ling because she needs money for treatment.

In order to receive bone marrow transplant sooner and to continue her career as an actress, Xia Lin enters into a secret marriage with Ling Yizhou, the CEO of a company. Despite the conspiracies and misunderstandings they encounter, the two find true love.