In managing the shipyard inherited from her father, Derith Keogh has considerable labor problems and accedes to the unreasonable demands of John Trevelyan, an anarchist labor agitator. Derith's brother John is off in pursuit of an adventuress, and Angus Campbell, her superintendent, resigns in exasperation. Angus returns, however, to help Derith persuade Trevelyan to settle a strike, which Trevelyan accomplishes in spite of being shot by one of his own men.
'Tuck' Martin, a crooked rancher, plots to acquire possession of the neighboring ranch belonging to 'Pop' Melody, whose daughter, Molly, is in love with 'Big Boy.' Bill Lang, the Melody ranchman, is in league with Martin and succeeds in rendering Melody helpless, although he had originally intended to have him killed. An attack on the cottage discloses the double dealing of the foreman, who is finally brought to justice, with nothing but happiness left for 'Big Boy' and Molly.
When drunken Canadian trapper Raoul La Fane attacks his young wife Marie, she takes a shot at him. La Fane falls, and Marie, thinking she killed him, flees into the white wilderness. Years later her secret comes back to haunt her.
A small-town newspaper publisher finds himself in opposition to the local banker on the return to town of a lad jailed possibly wrongly for a theft from the bank.
To help secret serviceman Bill Parsons in pursuit of the thieving Benson gang wealthy criminologist Henry Avery sends his assistant Blinky to cover the waterfront while he attends a reception at the home of Mrs. Cornelius Westervelt. At the soiree he meets gang member Alice Carter while also discover the gang’s cache hidden there. Captured Parsons is saved by Blinky, and the pair foil the gang’s attempt to rob Mrs. Westervelt and her guests.
