A single mom who has been only focusing on making money and achieving fame is suddenly finds out she has a time-limited life. All her life, she has been neglecting her only son so she now wishes to spend the rest of her lifetime for him finding his family before she leaves. So she seeks out her ex-boyfriend Moon Tae Joo, and ends up befriending Tae Joo';s wife, Seo Ji Eun. Meanwhile, a much younger photographer Gu Ji Sub falls for Seung-hee.