A senile elderly lady is found wondering inside in a home that she was familiar with as a child. Detectives realize that she has been suffering abuse, when cigarette burns are discovered all over her frail body. Following the trail from her greedy, neglectful son, to the expensive nursing home he pulled her out of, they discover the man they believe was abusing her. During the course of their investigation, however, Benson and Stabler stumble across an even more sinister criminal committing even more heinous, previously undetected crimes against the elderly.