A doctor, very much in love with his beautiful wife, comes to suspect that her visiting childhood friend Jack is more than just a friend. Jack's intentions are honorable, but everything he does tends to show his actions in a suspicious light, especially when burglars invade the house and Jack and the wife are caught together in their nightclothes.

15 chapter mystery serial: [1] “The House of Secrets,” released 5 April 1915; [2] “The Face of Fear,” released 12 April 1915; [3] “The Silver Cup,” released 19 April 1915; [4] “The Ring of Death,” released 26 April 1915; [5] “No Other Way,” released 3 May 1915; [6] “The Strength of Love,” released 10 May 1915; [7] “Into the Night,” released 17 May 1915; [8] “In the Wolf’s Den,” released 24 May 1915; [9] “The Iron Hand of the Law,” released 31 May 1915; [10] “The Inspiring Sword,” released 7 June 1915; [11] “The Valley of the Shadow,” released 14 June 1915; [12] “The Sacrifice,” released 21 June 1915; [13] “The Man Who Did Not Die,” released 28 June 1915; [14] “A Story of the Past,” released 5 July 1915; [15] “The Coming of the Kingdom,” released 12 July 1915.

Convict Tom King is pardoned from a life sentence when he courageously helps other prisoners during a fire. He then goes to live with his brother Matthew, the hated mill owner in a depressed town, and his own son Max, who was brought up by Matthew to believe his father was dead.