Sipowicz and Sorenson reopen an unsolved case involving a missing little girl when a small body is discovered buried in a wall. Andy offers emotional support when a troubled Sorenson is plagued by persistent nightmares but it's Diane whom he ultimately confides in. Meanwhile, Medavoy and Jones resort to a bit of theatrics when their slam-dunk shooting case is hampered by a pet owner who refuses to let them retrieve a bullet from her dog's nose that's needed as evidence.