Was It Love?

Noh Ae Jung is a single mother and works as a producer for a movie company. She has not had a boyfriend in the past 14 years, but 4 men appear in front of her. Oh Dae Oh is a mysterious best-selling novel writer. Ryu Jin is a popular actor. Koo Pa Do was once a gangster, but he is now the CEO of Nine Capital financial company. Oh Yeon Woo is a PE teacher at a school.
(Source: AsianWiki)