A starving toddler found wandering the streets alone leads detectives to the home of Manuela Ozuna and another child in grave condition. The police question Department of Child Services caseworker Keith Musio, whose vague and backdated reports on the family suggest he hadn't checked on the children in months. When the overworked Keith accuses his supervisor, Janette Grayson, of orchestrating the false reports, Chief Dodds promises to conduct an internal investigation. But when neglect leads to death, Barba takes matters into his own hands and arrests them for manslaughter. Meanwhile, Dodds indicates some changes coming to Benson's squad.

Rollins' mother Beth throws her a baby shower while the SVU reports to a four-star hotel where a famous violinist was raped by her colleague, Anton Krasnikov. With no memory of the crime, Anton claims a hired escort drugged and robbed him, and evidence leads to the shocking return of Rollins' fugitive sister Kim. Meanwhile, Sgt. Mike Dodds arrives for his first day at SVU.