When two speculators try to corner the stock market by sending former Pony Express riders racing from the mining towns to Denver with the latest information, Bat helps his friend counter the move with by sending news by carrier pigeon.

A stagecoach carrying Bat and Claire, the local sheriff's fiancée, is robbed and Claire is kidnapped. With the sheriff wounded and out of action, Bat tries to rescue Claire and capture the entire gang of kidnappers by himself.