The Dancing Cheat (1924)

Gambler Eddie Kane induces his estranged wife, "Poppy" Marie Andrews, to help him blackmail Brownlow Clay, owner of a Mexican gambling hall, when Clay refuses entrance to Kane. According to the plan, Kane finds Poppy in Clay's apartment and demands hush money. Poppy, ashamed of her part in the scheme and genuinely in love with Clay, double-crosses her husband and later marries Clay.