Chon Mon-hi spent her life dreaming of becoming a jewelry designer. When the girl had just started working with accessories, she happily married the eldest son of a family that owns a large jewelry company. Her husband Pak Hyun-su is the president of this company. The wife of the second son, Son-yn, is already an established, successful designer, and the arrival of a new daughter-in-law does not please her. Women become enemies in the struggle for leadership in business and in the family.