One day, Shimhyung suddenly abandons Mijin, his wife, and Jungin, his daughter. With no money and nowhere to go, they ask Shimhyung's coworker, Sungho, if they can stay with his family. However, just looking at this hot mother-daughter combo drives Sungho and his son, Chajun, wild with lust... After Chajun discovers Jungin's secret, will she submit to his desires?!