Episode Detail: Positive Results - Strong Medicine
In the fifth-season premiere, a new resident, Kayla Thornton (Tamera Mowry), joins the Rittenhouse staff. Meanwhile, as Ben and Lu's romance deepens, he receives shocking health news and a visit from his ex-wife (Robyn Lively), who is seeking work at the center; and a friend of Jesse's talks her into getting high on cough syrup with devastating results. Andy: Patricia Richardson. Lu: Rosa Blasi.