When an 8-year-old boy is kidnapped off a city street, Detectives Olivia Benson and Eliot Stabler are called to investigate. They soon find that the boy is in his father's custody, and his mother has a history of overstepping her bounds. As the case comes to a head, members of the SVU team find themselves in a life-threatening standoff and learn shocking details about ADA Jo Marlowe's past.