- HD 1080
- Runtime: m.
- Status: Returning Series
- 0
- Languages: ro
- Country: Romania
- Stars: Ana Ularu, Cezar Grumăzescu, Florin Piersic Jr.
- keywords: mother, undercover, undercover cop, rogue cop, criminal, bucharest, romania, secret, suspenseful, thriller
- Production_studio: May One, Mobra Films
- Seasons: 1
- Episodes: 6
- First air date: 2025-01-08
- Last air date: 2025-01-08
- The Subteran is featured in the top rankings of 2025
- #12 in Top Drama Series of 2025
- #6 in Top Crime Series of 2025
A mother working in IT who ends up fighting undercover against the Bucharest criminals who have changed her life.