- Drama: One the Woman
- Revised romanization: One the Woman
- Hangul: 원 더 우먼
- Director: Choi Hyeong-Hun
- Writer: Kim Yoon
- Network: SBS
- Release Date: September 17, 2021 —
- Runtime: Friday & Saturday 22:00-23:10
- Language: Korean
- Country: South Korea
Jo Yeon-Joo (Lee Ha-Nee) is a corrupt prosecutor. Due to a case, she loses her memory. She begins to live as daughter-in-law Kang Mi-Na (Lee Ha-Nee) of a chaebol family, who looks just like Jo Yeon-Joo.
Meanwhile, Han Seung-Wook (Lee Sang-Yoon) is the son of a chaebol family. He hasn’t gotten over his first love. He gets involved with Jo Yeon-Joo, who lost her memory.