Holmes and Watson find themselves on the hunt for a serial killer after a murder rocks their inner circle. Also, Holmes’ neurological recovery regresses and his sobriety wavers as his…

While Matt infiltrates a prison to find information on the Albanians, Fisk puts Dex in his crosshairs and a fed-up Foggy goes on the offensive.

Remi’s schemes put her and Weller in danger, while Patterson and Rich solve a mysterious puzzle at the FBI.