Tom Williamson

When the team goes to Morgan's old neighborhood to track an UnSub targeting middle-aged men, Morgan suspects they are looking for someone connected to the man who abused him as a child.

A wealthy woman is found dead at the bottom of her stairs; Maura decides to undergo minor surgery; Maura reconnects with Hope.

Frank questions whether a run-in with community activists was an accident or a setup; Jamie strives to rely less on Frank's input to make decisions; Erin helps Anthony protect his daughter and ex-wife from a dangerous psychiatric patient.

The ER is quarantined when a viral outbreak jeopardizes the lives of the doctors and patients; a young girl whom Leanne bonded with a year ago when she lost her father returns to Angels Memorial.

Callie has doubts about trusting AJ; Stef reveals surprising news about Monte; Jude has a difficult time getting over the shooting incident.