Dr. Gilderbrand has a large and remunerative practice in the East Side. He is very soon to be married. The doctor is to give up his East Side practice and buy one in the country, where his fiancée lives. Sybil is impatiently waiting for the day when the doctor will go to her father's house for a short visit. There are, of course, frequent letters exchanged by the lovers. A day or so before the doctor proposes to leave the city for his visit his office is invaded by Bill Smart, a burglar, who asks, begs and implores the doctor to go and see his dying child. The doctor is impressed by the man's excitement and leaves his patients in charge of an assistant while he goes to Bill's home. There Bill and his wife are in despair over the child's condition. The doctor, with his calm, business-like manner, soon reassures them and sits by the child's bedside all night. In the morning the crisis has passed and the doctor prepares to leave. Bill offers him a fee, which he refuses, and he leaves them surprised and happy. The doctor, dismissing everything else from his mind, prepares for his visit to his sweetheart's home, taking with him his latest photograph as a present, Sybil meets him at the station and together they drive to her father's home. They have naturally much to talk about, and sit up quite late in Sybil's sitting room. The photograph is greatly admired and given a place of honor. It so happens that Bill Smart has selected Sybil's home for his next "haul," and soon after Sybil has retired and the doctor has made himself comfortable in the smoking room we see Bill lurking in the shadows of the house. He effects an entrance through the window of Sybil's sitting room, and after selecting a few valuable gold ornaments he sees the doctor's photograph. He at once remembers the face, and in his agitation he drops the photo. The noise brings Sybil to see what has happened, and at the sight of Bill she screams. The doctor hurries to her assistance and decides to call the police and have Bill arrested, but Sybil is so full of happiness that she cannot bear to see another suffer, so Bill is released. He is so impressed with the goodness of these two people that he decides to reform, and as a reward is taken into the doctor's house.