Watch Behind the Mask (1917) Official Trailer

Financier Mark Harrold is responsible for the financial ruin and subsequent suicide of Stanton. Following his death, Stanton's daughter Margaret, seeking revenge, goes to work for Harrold's beloved daughter Helen. The latter plans to marry the dashing Lord Strathmore and thus attain her social ambitions, but Margaret, to avenge her father's death, wins Strathmore away from her by deception. After their marriage, Margaret leaves Strathmore, claiming that she never loved him. With the birth of their child, Margaret becomes ill and blind, but Strathmore finds her and gives her money under an assumed identity. Following an operation that restores her sight, Margaret recognizes her husband as her benefactor and realizes that she loves him.