Jack Koenig

Detectives Gordon and Bullock track down a vigilante (guest star Dan Bakkedahl) who is killing corrupt Gotham citizens by attaching them to weather balloons. Meanwhile, Oswald Cobblepot returns to Gotham and gets a new job close to an important figure in the underworld.

Carrie wants a monogamous relationship with Mr. Big, while Samantha refuses to have one with her realtor. Miranda's feelings for Skipper intensify, while Charlotte is faced with her new boyfriend's sexual demands.

Rollins investigates an assault by a masked man at an underground party. Benson uncovers a suspect who may be valuable as a witness.

Alicia and Diane agree to let a famous liberal lawyer (Jeremy Breslow) aid them on their latest case, but they soon realize he may not have their client's best interests in mind. Meanwhile, Alicia's mother (Stockard Channing) arrives for Thanksgiving seeking moral and legal support from Alicia and her brother Owen. Brian Dennehy returns as Lawyer Bucky Stabler and Bebe Neuwirth returns as Judge Friend.

A middle-aged man, Gideon Blake, drops dead in an Oyster Bar. Detective Green detects the smell of bitter almonds, indicating cyanide poisoning. His lunch date, a pediatric oncologist named Bethany Allison, arrives after Blake's been taken away. The cyanide came from the hot sauce, which he brought himself. Blake had a strange profession. He "talked" to the dead and people paid him a hefty sum for his services. Briscoe and Green realize there could be many disgruntled former clients but discover his prints match a guy the Feds have been looking for, named John Wayne Mapes. Mapes/Blake bilked doctors out of millions of dollars and Dr. Allison is on his list.