When Rebecca Tolliver (guest star Lois Smith) reports that her daughter Katie (guest star Andrea Fay Friedman), a 22-year-old woman with Down Syndrome, has been raped and as a result is now pregnant, Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) face the delicate task of determining if Katie was indeed sexually assaulted--or if her over-protective mother is in denial that her daughter has chosen to consummate her relationship with her boyfriend (guest star Badge Dale).
When a group home for adults with Down syndrome opens in a quiet neighborhood, a bitter older woman, who cares more for her prize roses than for her fellow humans, mounts a campaign to close it down.
Walker must find the hired killer who stabbed Trent before the assassin finds the mentally challenged girl who witnessed the attack.
The murder of an illegal alien leads Grace into the worlds of Oklahoma politics and racist skinheads. Still mourning the loss of his brother, Ham struggles with his police work. Rhetta declares her intention to win (at all costs) the money pot for a charity event conducted by Butch's disabled sister.
Baywatch is host to the Special Olympics and a long-time friend of Mitch arrives to help oversee the event. There is a special appearance by gymnast great Mary Lou Retton.
