S1·E2 Mistress of Medicine

After her disastrous birthday party, Mariah tries to make things right with the ladies. But sparks fly when Quad goes on the attack. When Kari fights back by disinviting Quad to an upcoming event her and Mariah are throwing, she not only ruffles Quad's feather she stings the queen bee herself. Meanwhile, Simone's patient deals with some potentially devastating news.