The team goes after a suspect who could be linked to a number of murders. Meanwhile, Beth must make a decision about her future with the LAPD while still coping after her attack. Also, Vicky reveals the real reason she moved to LA.
morelessAn infant is reported stolen. Moretti tracks the kidnapper, only to make a bizarre discovery. Elsewhere, Pierce and Moretti probe a related murder, and Donnie sets out to buy a house in the suburbs.
morelessCat is upset that no one considers her smart, so she tries to trick Sam with the help of twin boys. But Sam has her own twin to help her.
A series of exceptionally brutal murders of young Asian women reminds Hunter of a similar killer in Vietnam and causes Molenski to become burdened by a painful episode from her childhood.