In the series premiere, the social security number of a young prosecutor comes up. Now Reese and Finch must work together to figure out if their person of interest is the victim or perpetrator.
In the Season Four finale, Tony and Carmela contemplate purchasing a shore house, but a voice from the past threatens the deal. While Uncle Junior breaks out the Hearty Burgundy, Little Paulie and Benny break in a new sound system on the Stugots. With Carmine apparently intent on putting the past behind him, Tony and Johnny Sack weigh their options, carefully.
Tony continues to haggle with Johnny Sack and the two Carmines over the Esplanade profits. Carmela makes a decorating date she can't keep; Furio proves a reluctant companion to Tony on a casino junket; Paulie plays an impatient chaperone to some ladies from the nursing home; and Meadow debates the true meaning of a literary classic with her mom.
While Carrie and Big continue their new relationship, Samantha begins seeing a 72-year-old millionaire, and Miranda hooks up with a nice bartender.
When the head of personnel at a software company is found raped and stabbed to death, Detectives Benson (Mariska Hargitay) and Stabler (Christopher Meloni) suspect that a fired employee may have sought a violent revenge. They focus on Jason Mayberry (guest star Chad Lowe) a former security guard at the company and son of the wealthy Grace Mayberry (guest star Margot Kidder). Jason's shy yet cunning personality and bizarre obsessions may reveal a horrifying motive for the murder.
