Bob's daughter is sick, so Helen volunteers to take his place on the night run, unaware that the Blackhall gang intends to rob the train which carries a valuable gold shipment. Learning of Helen's peril, Bob and Tracy pursue the train by automobile, arriving just as the hijackers are about to explode a charge of dynamite under the rails.
| Actor | Role |
|---|---|
 Anna Q. NilssonHelen | Helen |
 Harry F. MillardeBob - an Express Messenger | Bob - an Express Messenger |
 Helen LindrothGrace - Bob's Wife | Grace - Bob's Wife |
 Bob WalkerHaines - a Tramp | Haines - a Tramp |
 Henry HallamRice - Express Superintendent | Rice - Express Superintendent |
| JJames B. RossBlackhall - Leader of the Gang | Blackhall - Leader of the Gang |
 Arthur AlbertsonTracy - one of the Gang | Tracy - one of the Gang |