A rape and murder investigation puts the detectives lives at risk.

With young Calvin in her care, Detective Benson continues the search for his drug-addict mother, Vivian, but Detective Stabler notices a strong bond forming between Benson and the boy. When Vivian’s name comes up during a rape investigation, Captain Cragen assigns Detectives Fin and Munch to the case instead. However, it will take more than Cragen’ s orders to keep Benson away.