Strong Girl Nam-soon

Gang Nam-soon (Lee Yoo-mi) disappeared in Mongolia as a child. As an adult, she travels to South Korea to search for her parents where she finds her mother Hwang Geum-joo (Kim Jung-eun) who is a billionaire businesswoman, and her grandmother Gil Joong-gan (Kim Hae-sook), in the Gangnam district. Eventually, Nam-soon, her mother, and grandmother become entangled in a drug case that Detective Gang Hee-sik (Ong Seong-wu) is investigating at a company named Doogo ran by Ryu Shi-oh (Byeon Woo-seok).