5 years after fleeing Korea, Jang Yeojin returns as primary school teacher Lee Seonyoung to teach her ex-husband's autistic daughter - unraveling the household and five years of pain in the process.

A story of a selfish woman Aman who always sacrifices the happiness of her children for her desire. Aman has one daughter and one son who have married. Aman's son-in-law wishes to work in a foreign country, but he doesn’t have the requisite money for travelling to abroad, so then he forces his wife for money to go abroad but when she asks her mother for it, she puts in stake the happiness of her son by playing with the lives of her daughter-in-law.