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.
| Directing | J. D. Chua | Director |
| Writing | Siew Pek Chye | Writer |
| Writing | Allan Ho | Writer |
| Writing | Andrew Ngin Chiang Meng | Writer |
| Production | Melvin Ang | Executive Producer |
| Production | Tang Chi Sim | Executive Producer |
| Production | Kent Chan | Producer |
| Camera | James Hia | Director of Photography |
| Visual Effects | Rami AlRamahi | Modeling |
| Visual Effects | Kelvin Kien Wei Chow | Visual Effects Producer |
| Visual Effects | Mabel Pei Wern Kuan | Visual Effects Coordinator |