After Tae-su submits a keychain as evidence, the police discover a link to another case. Yeong-min is brought in for questioning once more.
| Title | Doubt - Season 1 Episode 4 How can you be so sure? |
|---|---|
| Year | 2024 |
| Genre | Crime, Mystery, Drama |
| Country | South Korea |
| Studio | MBC |
| Cast | Han Suk-kyu, Chae Won-been, Han Ye-ri, Oh Yeon-soo, Roh Jae-won, Yoon Kyung-ho |
| Crew | Han Ah-young (Screenplay) |
| Alternative Titles | こんなに親密な裏切り者, 이친자, 이친배, الشك, Doubt, Such a Close Traitor |
| Keyword | criminal profiler, thriller |
| First Air Date | Oct 11, 2024 |
| Last Air date | Nov 15, 2024 |
| Season | 1 Season |
| Episode | 10 Episode |
| Runtime | 26:14 minutes |
| Quality | HD |
| IMDb: | 8.10/ 10 by 22.00 users |
| Popularity | 24.552 |
| Language | Chuvash, Korean |
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