Han Seo-jin is a fictional character from the South Korean television series The World of the Married. She is portrayed as a complex individual navigating the challenges of marriage, infidelity, and personal growth. Her character is central to the show's dramatic narrative, which explores themes of betrayal and emotional turmoil. In the series, Han Seo-jin is depicted as a successful doctor, balancing her professional life with her tumultuous personal relationships. Her journey reflects the struggles many face in maintaining a sense of identity and integrity amidst life's challenges, making her a relatable figure for viewers.