With his back against the wall, Raymond Reddington faces his most formidable enemy yet: Elizabeth Keen. Aligned with her mother, infamous Russian spy Katarina Rostova, Liz must decide how far she is willing to go to find out why Reddington has entered her life and what his endgame really is. The fallout between Reddington and Keen will have devastating consequences for all that lie in their wake, including the Task Force they helped to create.