A well-off family who runs a large company had lost their son to a tragic accident. Later, Ko Eun Byul, the granddaughter of the family disappears on the day of her engagement ceremony. Her mother, Jung Yun then tries to find her. Jung Yun world is turned upside down when she discovers that her daughter was kidnapped by someone from her own family.

Family Secrets тривав 1 сезон. Нових епізодів не заплановано.