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When Robert Dunning (William Clifford) comes to financial ruin at the hands of unscrupulous broker Thomas Philborn (Murdock MacQuarrie), Robert's wife Marcia (Madlaine Traverse) swears revenge. To achieve this, she gets a job running the roulette wheel at a gambling parlor, and cheats the broker's son, Dick (Lew Zehring). When Dick runs out of money, he robs his father. But before Marcia can congratulate herself on a job well done, she discovers that her own daughter, Edith (Mary McIvor), has secretly married Dick. Loaded with remorse, she goes to her two bosses to ask for Dick's money back. One partner refuses, but the other one, Duke (Herbert Hayes), who has fallen in love with Marcia, offers to stake his share against his partner's. He loses, and Marcia now has to stake herself against the winning partner. She's kept from using the magnetic ring with which she cheated Dick, but luck is on her side, and she wins everything back. Dick is saved from prison when Marcia returns the stolen money, and she wins a husband in Duke.