Ji Chang Wook

Kim Je Ha, a former mercenary known as “K2,” becomes a fugitive after being wrongfully accused of killing his girlfriend in Iraq. He returns to Korea and works as a bodyguard for Choi Yoo Jin, the wife of presidential candidate Jang Se Joon. Je Ha plans revenge on Park Kwan Soo, Se Joon's rival, whom he believes ordered his girlfriend's murder. While guarding Go An Na, Se Joon's reclusive daughter, Je Ha and An Na grow close. However, Je Ha's loyalty is tested when he learns that Yoo Jin, his boss and ally in revenge, is the one threatening An Na. (Source: MyDramaList)

A series of disappearances take place in Gangnam, Seoul. Jae Hui works for a famous bar in Gangnam and she knows a secret involving the series of disappearances, but she also disappears. People who become involved with the case include Detective Kang Dong U, who was demoted and then returned to work, Gangnam outlaw Yun Gil Ho, who put himself on the list of suspects, and Prosecutor Min Seo Jin, who works on this case as an opportunity to raise her status. They chase after the truth of the case for different reasons. (Source: AsianWiki)

Woo Hui is the queen of Goguryeo. A crisis ensues when her husband, the king of Goguryeo, dies suddenly. Woo Hui becomes the target of princes and the 5 tribes who all want to gain more power. To protect her family and her tribe, she uses marriage as leverage. She struggles to marry one of her late husband's younger brothers and set them upon the throne. Woo Hui has to accomplish everything within 24 hours. (Source: AsianWiki)