During the Alaskan gold rush, two unscrupulous fortune-seekers, Amy and her husband Gambler Joe, rob Mathew Smith, who has offered them shelter from a snow storm. Mathew pursues them but loses his way, and by the time Harkness finds him, he is nearly dead from exposure. Mathew, nicknamed "Silent" Smith because the storm has robbed him of his voice, lives in friendship with Harkness until the latter marries Amy, who has found employment in a local dance hall. After the ceremony, Harkness is called away to protect his mining interests, and in his absence, his daughter Mary arrives for a visit. Silent and Mary fall in love, but Mary's suspicions are aroused when Amy gives birth to a child. Shortly afterwards, Harkness returns. Amy insists that Silent is the baby's father, whereupon Harkness shoots his friend, wounding him in the shoulder. Smith regains his voice, and through the help of an Indian who is familiar with Amy and Joe's treachery, reveals that she was a married woman long before she met Harkness. Mary returns to Smith, and the two settle down with Harkness.—AFI