![Silver Bullet](https://i0.wp.com/3amovies.com/wp-content/uploads/2024/05/eSshlRzh7NY6kEn679g2mmclVTh.jpg?resize=185%2C278&ssl=1)
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.