Trapped in the underground train tunnel system, a single mother’s resolve to protect her son is tested to the extreme as both of them are the few remaining survivors of an attack by a monster. Meanwhile in the control room, duty engineers fight desperately to rescue the trapped survivors.
- Created by
- J. D. Chua
- Origin
- SG
- TMDB rating
- 4.5 / 10 · 13 votes






