When a student (Mallory Bechtel) disappears during a school trip to New York City, the cops race to find a mysterious masked man. Meanwhile, Fin (Ice T) and Stone (Philip Winchester) both get visits from family.
The search for an abducted woman and her young daughter leads Lt. Benson (Mariska Hargitay) to cross paths with an old friend (guest star Stephanie March). Meanwhile, Stone (Philip Winchester) must make a tough decision on behalf of his sister.
An Alzheimer's patient (guest star Fionnula Flanagan) claims she was raped, but her illness casts doubt on the case. Meanwhile, Fin's sergeant orders come in.
Benson's (Mariska Hargitay) suspicions about a kidnapping victim (guest star Carlos Miranda) uncovers a dangerous criminal network prepared to silence anyone who gets in their way.
