A husband (Kim Tae-hun) carefully observes his wife (Jang Young-nam) after she expresses anxiety over how much weight she is putting on, he diagnoses her 'problem' as being mostly the effects of maternal devotion and finds a way to share the burden of both her dutiful eating and her new exercise regime.

A story of how Park Kang's life is changed on Christmas day. Park Kang is a popular actor, but he is also a scandal maker. His manager is Jo Yoon and they are also long-time friends. One day, Park Kang's ex-girlfriend Soo-hyun suddenly appears in front of Park Kang.