There’s monkey business in the ER as Clemente, Abby and Neela treat an infant chimpanzee. Ray discovers Zoe has chlamydia, and is underage. A recovering Dubenko trails the staff via a two-way television hook-up. A boy and his father are injured in a construction accident. Pratt reaches a decision about his relationship with his estranged father and learns the truth about his father's abandonment of him.