Climbing into a cab of a freight engine, Bobbie Layson, the son of a station pulls the throttle open. The alarm goes out and Helen, stationed at Lone Point, is ordered to derail the runaway and thus prevent it from running head-on into the approaching passenger train. Fearing for his son's life, Layson phones Helen
| Actor | Role |
|---|---|
 Helen GibsonHelen | Helen |
 Franklyn HallOdell - Engineer | Odell - Engineer |
 Clarence BurtonLayson - Station Agent | Layson - Station Agent |
| CClement GrawPinture - Fireman | Pinture - Fireman |
| TTom TrentBobbie Layson - the Boy at the Throttle | Bobbie Layson - the Boy at the Throttle |