Strong Girl Nam-soon

Gang Nam-soon is a quirky and eccentric young woman with superhuman strength who was lost as a child in Mongolia. As an adult, she returns to South Korea's Gangnam district to find her biological family, eventually reuniting with her wealthy mother, Hwang Geum-joo, and grandmother, Gil Jung-gan, who all share the same extraordinary abilities. When the trio becomes entangled in a mysterious new synthetic drug case sweeping through Gangnam, they must use their powers and join forces with upright detective Kang Hee-sik to dismantle a dangerous drug cartel led by the cunning villain Ryu Si-oh.