Everything seems perfect in the life of the successful family doctor and associate director, Ji Sun Woo. She lives happily in Gosan with her handsome husband, Lee Tae Oh, and their teenage son, Joon Young. However, the perfect image of a happy, loving family life shatters when she discovers that her husband, whom she helped financially establish an entertainment company, is having an affair, and even their mutual friends are helping him conceal it. Devastated by the betrayal, she sets on a path seeking revenge and recollecting her broken self.