The stepmother is forcefully taken by her daughter's husband—her son-in-law. As she feels his young body against hers, the pleasure she hasn't experienced in years awakens, and she soon forgets he is her daughter's spouse. Set in a shared household, this drama explores the taboo and sensuality born from the strange relationship between a mother and her son-in-law. It portrays the stepmother's inner desires and the conflicts arising from her strained marriage.