Joe Holland, the superintendent of a gold mine, saves his invalid friend, Weadon Scott, from a pack of wolves. Frank Wilde, an executive engaged to Holland's daughter, Mollie, buys White Fang, a man-eating dog, from an Indian and matches him with a bulldog in a pit fight. Scott rescues the dog and tames him. After Mollie Holland marries Wilde, she discovers that he is robbing the mine. Mollie tells Scott of Wilde's perfidy, but Wilde escapes, blackjacking Scott and killing Holland. Orphaned, Mollie goes to the home of Judson Black, the owner of the mine. Wilde attempts to spirit her away and is killed by White Fang. Scott and Mollie eventually find happiness together.