Margot Le Blanc loses her small fortune at Monte Carlo and makes the acquaintance of Hugh Kildair, an artist, who hires her as a housekeeper. A gang of thieves set a trap for Kildair when they find that he knows a mathematical system guaranteed to win at the gambling table.
| Actor | Role |
|---|---|
 Clara BowMargot LeBlanc | Margot LeBlanc |
 Kenneth HarlanHugh Kildair / Gilbert Kildair | Hugh Kildair / Gilbert Kildair |
 Barbara TennantMrs. G. Kildair | Mrs. G. Kildair |
 George BerangerKrantz (as André Beranger) | Krantz (as André Beranger) |
 Carmel MyersMrs. Belmore | Mrs. Belmore |
 Raymond GriffithMartel | Martel |