Ex-Girlfriend Club) is a 2015 South Korean television series starring Byun Yo-han, Song Ji-hyo, Lee Yoon-ji, Jang Ji-eun and Ryu Hwa-young.
He then writes a webtoon series about his past relationships, specifically his three ex-girlfriends, which includes an older, wealthy divorcee, a chic and successful woman who works at an investment firm, and a third-rate, airhead actress.
Soon, Myung-soo is considered a cross between Public Enemy Number One and National Heartthrob, and his webtoon gets adapted into a movie.
Kim Soo-jin is a film producer who's prepared to do whatever it takes to save their failing production company.
And as the movie starts shooting, the project also brings Myung-soo's other ex-girlfriends back into his life all at the same time.