Seong-su, who is heartbroken after losing his lover to his best friend Dong-ho, is comforted with all his heart and soul by Yeo-jin, an older woman he meets by chance. Falling in love with her mature consideration, Seong-soo starts dating Yeo-jin, saying it doesn't matter whether she's older or married. But what is this? It turns out that Yeo-jin was the stepmother of her old best friend Dong-ho! The ex-girlfriend she loved passionately. her best friend. She is the mother of a friend who has come to love her the most in the world.

My wife's mother, is better than my wife! Woo-suk married his wife Yoo-na because he loved her, but in the end, they go through a period of ennui and he's not happy with their sex life either. One day his wife goes to work without even making him breakfast and her mother comes home. She's a young-looking woman good enough to be in her 20s with a tiny waist and big breasts.