The World of the Married is a 2020 South Korean television series starring Kim Hee-ae, Park Hae-joon, and Han So-hee. Based upon BBC One's drama series Doctor Foster that starring Suranne Jones, it tells a story of a married couple whose betrayal of one another leads to a whirlwind of revenge, grief, forgiveness and healing. It aired on JTBC on Fridays and Saturdays at 22:50 (KST) from March 27 to May 16, 2020.
The World of the Married is the highest-rated drama in Korean cable television history, overtaking SKY Castle with its final episode reaching a nationwide rating of 28.371%. It recorded the highest average rating for a drama on cable television, with an average rating of 18.829%. Its content also generated huge attention and discussion. The drama received positive reviews from critics for its screenplay, direction and acting performances, with Mo Wan-il winning Best Director and Kim Hee-ae winning Best Actress at the 56th Baeksang Arts Awards.
Ji Sun-woo (Kim Hee-ae) is a revered family medicine doctor and the associate director at Family Love Hospital. She is married to Lee Tae-oh (Park Hae-joon), with whom she has a teenage son, Lee Joon-young (Jeon Jin-seo). Sun-woo seems to have everything from a successful career to a happy family, but unbeknownst to her, she is betrayed by her husband and friends.
Meanwhile, Tae-oh dreams of becoming a famous movie director. He runs a small entertainment and film company with the support of his wife. Even though he loves and cares for his wife, Tae-oh sets himself up in a dangerous position with an extramarital affair.