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Too preoccupied with business matters to entertain his restless young wife Blanche (Lillian Kemble, Robert Probet (Frank Mills) prevails upon his best friend William Martindale (J. Frank Glendon) to take Blanche out from time to time. Martindale interprets this as an invitation to put the moves on Blanche, which he does after plying the heroine with too much champagne. The outraged Probet immediately assumes that Blanche led Martindale on and ejects her from their house. The terms of the subsequent divorce dictate that Blanche retain custody of her daughter, while Robert keeps their son. Assuming a new name, Blanche opens a restaurant, which within a few years becomes the "in" place for the high-society set. Among Blanche's customers is her grown son Robert Jr. (Harriet Spingler, who of course does not recognize his mother. Before long, young Robert and his best pal Tom Martindale (Rudolph Cameron) -- yes, the son of the man who "ruined" Blanche -- are vying for the attentions of Blanche's daughter Edith (Bliss Millford), Robert Jr. never dreaming that he is courting his own sister. When all the facts come out, Blanche is reunited with Robert Sr., Robert Jr. is satisfied to lose a girlfriend but gain a sister, and Edith is happily married to Tom.