Michael Countryman

Sherlock and Watson investigate a child abduction case involving a serial killer known as "The Balloon Man."

A crucial agent crumbles under emotional distress and threatens to topple a valuable network of KGB informants. Professionally, Philip and Elizabeth are tasked with infiltrating the FBI's new communications encryption system while personally they are forced to grapple with one of the darker aspects of life as a spy.

An asbestos-disposal impasse raises tensions between Jersey and New York; Tony has a revelation; Paulie gets upstaged.

A.J. struggles with depression; Kelli's dad is the unwitting catalyst of a new feud between Christopher and Paulie.

Phil turns down Tony's offer of compromise; A.J. despairs about the world and his future; Tony takes umbrage over an affront to Meadow.

After a pro-life loner stalks and shoots a doctor, the detectives surmise the gunman has another target in mind.