Berto Colon

Elizabeth wants a Bahraini diplomat prosecuted when he is caught holding a maid hostage; Henry's father visits.

When a conman from Dante's past attacks a prison transport, McCall and the team race to take him down; Aunt Vi and Dee's girls' trip is suddenly derailed when they find a woman squatting in their home.

Danny and Jackie are assigned to protect a key witness in a Russian mob trial, but when an attempt is made on her life, they realize there is a leak on the task force. Meanwhile, Erin is offered a job as deputy mayor, which would have her working directly with her father.

When Alicia's key witness commits suicide, she must turn to the only person whose testimony can salvage her case: Colin Sweeney. Meanwhile, Eli makes big moves on Peter's behalf.

Halstead goes under cover to stop an ex-military kidnapping crew from killing an innocent child.

Intelligence tracks down a vigilante who is killing rapists; Burgess begins to question if the men who attacked her sister truly paid for their actions.