Pornographic photos from 15 year-old Savannah Biel's house party quickly circulate around her Tribeca high school and go viral. Barba's efforts to arrest the student responsible for posting the images is stalled when several suspects fall victim to a fast-moving measles outbreak. When Benson's foster son also catches the illness, she investigates a group of mothers who may have falsified their children's medical records. Meanwhile, Amaro receives some distressing news about his son.
Elenco: Mariska Hargitay , Ice-T , Dann Florek , Richard Belzer , Christopher Meloni , Kelli Giddish , BD Wong , Peter Scanavino , Tamara Tunie , Raúl Esparza , Danny Pino , Diane Neal , Stephanie March , Philip Winchester , Michaela McManus , Adam Beach , Demore Barnes , Jamie Gray Hyder .