Uncle Preston, a financial "wizard," discovers that his nephew, Bob Preston, is a rogue, a gambler and a swindler, who is promoting a mythical mining property, the "Battle Axe." He decides to teach his nephew a lesson. He buys up the fake mining shares and visits Bob and his wife and their little daughter, Adele, who longs for love and attention. The Uncle and Adele become great pals. He decides to abduct the child and take her home. They are warned of a break in the gas main. Bob's wife determines to kill the old man with gas. She turns on the gas faucets and then awaits results. Bob also determines on revenge and plans to murder the Uncle. He comes home drunk and falls asleep in Uncle's room. Old man Preston and Adele escape, but Bob nearly dies from the gas. The Uncle disinherits the guilty pair.