Scanavino discovers a woman posing as a madam while he is undercover on a trafficking sting. It turns out she's there to track down her daughter, who disappeared three years ago. The team must then balance ethics and necessity as they search for her daughter while closing in on the perpetrator - an unexpectedly familiar face. Elsewhere, Benson gets disturbing news that may affect her son.moreless
Amaro's estranged father is arrested at his own wedding after a fight erupts, and Amaro becomes a witness in a case involving family secrets.
Dr. George Huang returns to help find a deranged man who has a penchant for young women.