A man is murdered when someone drops a piece of slate of a bridge. The team tracks the slate to one of their own and Alexx’s son becomes a suspect….

The death of a parolee, who was a hit man, leads to a wealthy widow and daughter and whether they hired him to kill their rich relative.

Benson and Stabler try to prove self-defense when a rape victim kills her attacker. Events take an unusual turn when they find out that the victim is a pre-operative transvestite.

Dexter is saddled with an unwanted conspirator; Dexter worries about how Rita’s death will affect Harrison; Deb works alone; Quinn enlists an old friend’s help.