After a married couple discover their newborn is deaf, they elect to try a surgical procedure, but when their surrogate, who also happens to be deaf, learns the news, she feels she has no choice but to intervene.
The BAU is called to Taos, New Mexico, to investigate an UnSub who targets the temporal lobes of his victims.
Nick and Hank investigate a drowning death where the victim has mysterious marks on their ankles. Meanwhile, Rosalee is unpacking and Captain Renard makes a realisation about the possible identities of the Royal Baby's parents.
