This series is different from the past detective stories. The Lieutenant is collection of true mystery stories in which the detective, Ninzaburo Furuhata, must solve ingenious crimes and outwit elusive criminals. Although Ninzaburo Furuhata is a government officer, he does not wear a tie. Although he specializes in murder cases, he does not carry a gun. He does not use violence. More than anything, Ninzaburo Furuhata conducts himself as a gentleman, and uncovers the tricks which outwitting genius criminals play by cool reasoning and smooth talking. In every episode, Ninzaburo Furuhata will introduce a different criminal in his memory, and share his experience tracking and interacting with these criminals.

After her husband's death, Song Yan qiu has a mental breakdown. Her eldest son goes to live in America with his aunt, her youngest son soon got ill and also suffers from mental illness. It's up to her middle daughter "Wang Zi Liang" to raise the family.

The second season is set in even more turbulent times than the first; during the reign of Emperor Gojong, a period where every aspect of Joseon, from financial, military, and economic to the culture was spurred towards modernization. The chaos and confusion resulting from these rapid changes form the background for the crimes that occur, forcing the Byul Soon Geom to be reformed in order to investigate them. The team is led by Jin Moo Young and Han Da Kyung, two people with deep scars and burdens from their past.

Lee Se Hee never thought she'd be part of the popular clique in High School, neither did she expect herself to be in a love square with 3 very attractive popular guys! Who is she going to choose?

Jin Young, a very open-minded and energetic woman, worked for the Seoul Hotel. Her ex-boyfriend Tae Joon resigned and had left for Vegas three years earlier due to an unfortunate incident w/ a guest. The owner of the hotel had always believed in Tae Joon even more so than his own son, Young Jae. When he died of a heart attack, his wife realized that Jin Young must go to Vegas to bring Tae Joon back so he could help run the hotel, which was falling into pieces. Their rival, Kim Book Man (Han Jin Hee), was determined to acquire the Seoul Hotel.

~~ Adapted from the novel "Drawing Sword" by Du Liang.

A love story and mission of a national police and spies, the real need for efforts to protect the national heritage.

The story involves Katori playing a successful advisor at a marriage consultation agency that aims to bring together people looking for partners. Kuroki plays one of the agency’s clients, who is “so beautiful” that the manual he uses doesn’t apply to her, while Fujiki plays a rich and handsome lawyer who is also a client. Katori starts to fall for Kuroki, but as a professional, he pairs the two together.