A belligerent young man with the flu presents a challenge to Morris and Sam when he refuses treatment, and later turns out to be more than he seems to be. Luka and Abby’s childcare emergency means balancing baby care with patient care in the ER until a nanny can be found, but the candidates prove less than satisfactory. Luka has an uneasy encounter with Curtis Ames at the hospital, and later Abby and Baby Joe have a "chance" encounter with Ames at the park. Pratt discovers a local church's risky drug exchange program. Neela and Gates square off at an M&M.