Housewives and Bartenders (1968)

Bartender Joey, who prefers to have affairs with married women, seduces Joan. She falls in love with him and leaves her husband, agreeing to work as a prostitute for Joey so they can get married. Joey continues to recruit for his prostitution ring and Joan, aware that she is just being used, holds out on him. Joey beats her, sending her to the hospital and subsequent police investigation leads to her arrest.