After Kang Joo-eun's boyfriend breaks up with her, she decides to get into shape and approaches celebrity trainer John Kim to help her. As they spend time together, they fall in love.
Once known as the 'Venus of Daegu', Kang Joo-eun is now an overweight lawyer in her 30s. An unfortunate incident brings her to Young Ho, a celebrity trainer.
Joo-eun starts to live with Young-ho, Ji-woong and Joon-sung after her stalker is set free. Young-ho visits Daegu for a check-up after his leg starts hurting again.
Young-ho unwillingly becomes a part of Joo-eun's weight loss celebrations. Soo-jin is upset with Woo-shik as he pays more attention to Joo-eun's affairs.
Joo-eun waits for Young-ho to acknowledge his feelings while she confronts Soo-jin about her choices. Young-ho must make a decision about Gahong and his future.
Joo-eun feels betrayed as she discovers Young-ho's real identity and family business. Woo-shik is close to finding out about John Kim's identity. What lies next for Gahong?
Joo-eun learns about Young-ho's health condition after finding him on the verge of passing out. The couple goes on a camping trip with Ji-woong and Joon-sung.
Joo-eun moves out of the flat as Young-ho accepts his responsibilities at Gahong. However, he finds it difficult to keep his personal and professional lives separate.
An overweight lawyer's life turns upside down when her boyfriend breaks up with her. She decides to get fit to get her life back on track. Will her plan work?Watch Oh My Venus now!