Doug realizes that befriending Arthur has some real benefits.
Ally defends a man accused of murdering his wife by cutting off her hand. Billy and Georgia represent a life insurance salesman who lost his job because of his bad comb-over.
Harm joins forces with Mac and Clayton Webb to recover the Declaration of Independence, which was stolen by a revered patriot.
Horatio hunts for the person responsible for a vicious attack on a woman who was lured to a vacant condo and beaten with a piece of lumber.
A woman's body is discovered at a salvage yard. A man is killed by a most unusual object. Gina returns to the squad.