Yoo Ryeong becomes a policewoman in order to find her twin sister. She solve cases with her strong sense of justice and does not follow rules. This gets her into trouble. She partners with Go Ji-seok, who always fight with her over the cases. However, he ends up cleaning up after the problems caused by Yoo Ryung and holds the key to solving the cases.
Oh Dong-baek is a single mother who lives in the town of Ongsan and opens a bar-restaurant called Camelia, which many of the men in Ongsan frequented. The people of Ongsan often gossip about her. Local Police Officer , Hwang Yong-sik is madly in love with Dong-baek. Can she find the happiness she wants?
Hotel del Luna is located in the heart of Seoul. It is not like any other hotels, but it’s a place for the dead souls. During the Goguryeo era, a rebel, named Jang Man-wol (IU) drank a liquor that unknowingly turned her into the hotel’s owner. Koo Chan-Seong (Yeo Jin-Goo), is the new manager she wants to take over from the current manager, No Joon-Seok.