After a teenage girl is found r*ped in a community garden, Benson and Stabler find out that her mother is in a female correction facility. After the r*pe kit on the girl goes missing, the detectives realize that one of the corrections officers at the facility is r*ping and brutalizing women. In order to find out who it is, Detective Benson goes undercover as a prisoner and is almost r*ped herself in the basement of the facility.