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.

On his way to investigate irregularities in a bank's bookkeeping, Bat encounters a gun fight in which a man is killed by two gunmen. Bat finds himself involved with embezzlers, murderers and a new friend - a thieving dog.