"The World of the Married" is a South Korean television series that aired in 2020. It follows the tumultuous life of a married couple, Ji Sun-woo and Lee Tae-oh, whose seemingly perfect life unravels due to infidelity and betrayal. The show explores themes of love, revenge, and the complexities of relationships, captivating audiences with its intense drama. The series is based on the British show Doctor Foster and became one of the highest-rated dramas in South Korean television history. It features a strong ensemble cast, including Kim Hee-ae and Park Hae-joon, and has received critical acclaim for its storytelling and performances.