- Drama: Doubtful Victory (literal title)/Oh, the Mysterious
- Revised romanization: Uimoonui Ilseung
- Hangul: 의문의 일승
- Director: Shin Kyung-Soo
- Writer: Lee Hyun-Joo
- Network: SBS
- Release Date: November 27, 2017 —
- Runtime: Monday & Tuesday 22:00
- Language: Korean
- Country: South Korea
A fake detective, Oh Il-Seung (Yoon Gyun-Sang), punishes evil and regains his real life.
Kim Jong-Sam was framed for murder and received the death penalty. He has been in prison for 10 years, but he breaks out of prison. Circumstances leads him to take up the identity of Detective Oh Il-Seung and he joins a team of detectives including Jin Jin-Young (Jung Hye-Sung).
- “Doubtful Victory” takes over the SBS Monday & Tuesday 22:00 time slot previously occupied by “Temperature of Love.” and will be replaced by “Should We Kiss First” on February 20, 2018.
- Main characters name “Il-Seung” also means literally “victory.”
Video Size: 200M/300M
Video Type: 540p/720p & GDRIVE 360p/480p/720p
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