Reginald Worthington is a vindictive man. He blames US Marshal Mason Sadler for the death of his only child, the former Mrs. Sadler. Now Worthington wants revenge. Enlisting the services of a highly skilled team of cutthroats, he dispatches them to Tombstone with orders to kill Sadler and anyone he cares about, especially Belle Dubois, the Bird Cage Theater Madame and the love of his life who just happens to be the new Mrs. Sadler. Not leaving the Marshal's demise to chance, Worthington also engages the talents of the Professor and his latest invention.
US Marshal Mason Sadler has a great hustle going on with the vivacious and lovely Belle Dubois, the madam of the Bird Cage Theater in Tombstone, Arizona Territory. She keeps the outlaws occupied until he conveniently shows up to arrest them after which she and Mason split the reward.