Joe Morgan, worker in a northern logging camp, falls under the influence of alcohol when a new saloon opens in the town. Eventually he becomes useless as a worker and neglects his wife and child, Little Mary. When his child comes to the saloon to urge her father to return home, a thrown beer tumbler strikes her; she is taken home and later dies. Joe, at least realizing the evil of drink, sets about seeking revenge for his daughter's death. Following a series of thrilling incidents, including a spectacular fire and logging jam, Joe abandons his pursuit of revenge and is reunited with his wife.