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.

Genres

Cast

Jesseca Liu

Yi Ling

Andie Chen

Calvin

Peter Yu

Bo Seng

Patrick Lee

Nam

Alan Tan

Heng