Strong Medicine: My Sister, My Doctor, Myself

Kayla tries to befriend her long-estranged twin sister, Keisha. Keisha's actions lead them to believe she may be mentally ill. Dylan and Lu work to help a woman remain fertile after her appendix bursts. After Peter's dog bites a boy, the boy's mother has him sent to the pound. Peter looks into the situation and learns that the boy actually has a melanoma.