Mrs. Scranton, a poor widow, dies, leaving two children, Frank and Mildred. She gives the son her heirloom, an old silver watch. Having no immediate relatives, her children are adopted by two families of means. Tears afterward Frank and Mildred meet. Mildred is attacked by a thief who tries to steal her pocketbook. Frank comes to her assistance and has the foot-pad arrested. Not knowing each other, he and Mildred fall in love and become engaged to be married. The wedding is about to be performed by the clergyman when the thief sneaks into the house, and seeing Frank, shoots at him. The ball strikes the old silver watch in Frank's vest pocket. Frank takes the time-piece from his pocket and it is recognized by his sister. From it they learn their relationship and the love of brother and sister is renewed.