Stallings' plot to spoil the demonstration of Dick Benton's newly invented safety stop for trains seems certain of success when the locomotive is sent running wild down the tracks. Helen saves the day by climbing out on a wire stretching across the tracks and dropping to the speeding engine.
| Actor | Role |
|---|---|
 Helen GibsonHelen | Helen |
 George A. WilliamsMr. Benton - Dick's Father | Mr. Benton - Dick's Father |
| SScott PembrokeDick Benton | Dick Benton |
| GGeorge RouthStallings | Stallings |