As described in a film magazine review,[4] Bobby Austin is sent to Madrid on a diplomatic mission but is followed by Lady Sylvia Hutton, a society adventuress who is infatuated with him. She takes him on a yachting trip to Monte Carlo, where he meets Kathleen Lawrence, a notorious "kept woman." Kathleen tries to save Bobby from the ruin that Lady Sylvia bares in her wake. Lady Sylvia takes up with another man, and Bobby turns to Kathleen. He loses his post and returns to London where he makes his living from his winnings gambling at cards. When he refuses to return to Lady Sylvia, she takes her revenge by slipping an ace into his hands. He is branded as a card cheat. In the meantime, Kathleen meets Elizabeth Stuart, a sweet young woman whom she knows will make a good match and will save Bobby from the fate that threatens him. Lady Sylvia's treachery is exposed, Bobby resumes his rightful place in society, and he wins Elizabeth's love.
^"New Pictures: One Way Street", Exhibitors Herald, 21 (2): 45, April 4, 1925, retrieved January 2, 2022 This article incorporates text from this source, which is in the public domain.