Quad, still reeling from her fight with Dr. G, faces hard choices about the future of her marriage; Toya's mother comes to town and gives her daughter perspective on maintaining a happy marriage; Simone leans on her sister for emotional support; Jackie asks Cecil's advice on what to do about Curtis; Heavenly continues to try to be a better person but stumbles when she gets into conflict with Mariah; and Mariah hosts a Mother's Day brunch for all the ladies.