H.G. and Jane find themselves stranded on the Island of Doctor Monroe. Unaware that they are an instrumental part of the doctor’s research, H.G. and Jane fight for their lives—along…

H.G., Jane and John try to escape the island, but H.G. is under the influence of Dr. Munroe’s serum and makes an uncharacteristic decision that may prove his undoing.

The detectives go under cover to arrest a man who brutally attacks other men; a deceptively tough defense attorney (Nia Vardalos) complicates ADA Barba’s case.

The team must figure out if a prominent lawyer orchestrated the murder of her husband or if she is being framed; Carter is spotted with Reese by her new partner.