Sacred Silence (1919)

Lieut Ralph Harrison is in love with Major Marstons wife who pretends to love him Harrisons mother implores Capt Jim Craig to intervene to save her son from dishonor When Craig visits Mrs Marston Harrison appears precipitating a quarrel during which Harrison is wounded in the shoulder Craig then leaves and the major discovers Harrison The major kills Harrison and places the blame on Craig To avoid a scandal Craig runs away Madge Summers of the Secret Service tracks him down and the two fall in love but Craig is arrested and taken back to the army post