After being abducted by Katarina Rostova, Raymond "Red" Reddington finds himself alone in hostile territory unsure of who, if anyone, he can trust. With few leads to go on, Liz and the Task Force venture into unknown danger as they race to find him.

Liz, Dembe and the Task Force continue to search for Red. Red attempts to escape his abductors with help from a surprise ally, but discovers he is not Katarina Rostova's only target in her hunt for information.

Aram goes undercover to infiltrate a secret society of wealthy thrill-seekers, whose entertainment hinges upon spectacular acts of violence. Meanwhile, Red tries to negotiate with a former associate involved in the Townsend Directive, while Katarina Rostova takes steps to insinuate herself into Liz's life.

Cooper's moral compass is tested when an officer whom he served with as young man, long presumed to be dead, resurfaces as a POW.

Red alerts the FBI to the suspicious death of a scientist specializing in artificial intelligence research. Meanwhile, Francesca Campbell further entangles herself in Red's criminal activities