This exciting story about nitroglycerine handlers is told in a pedestrian manner. Film centers on Carey, a veteran transporter of nitro, which is used to squelch oil field blazes. He doesn't approve of his daughter's desire to marry Beal because Beal is involved in the suicidal
profession. Carey finally sees that the couple's love is genuine, and substitutes for Beal on a very dangerous mission. Carey is killed, leaving Beal and his daughter to carry on.