"A woman must be pampered to be treated well. Is cleaning up after everyone my job?!" 'Jong-rae', a former actress who lived her life like a princess, and her husband 'Seong-ae', a strict ex-soldier, lived a life as tough as fermented bean paste. During a health check-up, the two undergo a biological age measurement at the hospital. 'Jong-rae', who was always confident in her beauty and meticulous about her appearance, is shocked to see that 'Seong-ae's' biological age is much younger than hers. Meanwhile, 'Seong-ae' is filled with worry when her daughter, who had left her granddaughter with them and departed, suddenly returns home. Through conflict and reconciliation, the two different families discover the preciousness and true meaning of family that transcends generations!