A revenge melodrama about a mother (Shin Eun Kyung) from a well-off family who had lost her son to a tragic accident and later her only daughter went missing as well. Her world is turned upside down when she discovers that her daughter was kidnapped by someone from her own family.
Eun-Byeol (Ryu Hyo-Young) is the granddaughter of a family who runs a large company. On the day of her engagement ceremony, Eun-Byeol disappears. Her mother, Jung-Yeon (Shin Eun-Kyung), tries to find Eun-Byeol.