Reddington and Liz are heading to Latvia for the final Season 8 episodes.
Among the episode’s biggest takeaways are that Liz’s mother Katarina Rostova is still alive, and the woman she believed was her mother is actually a spy named Tatiana Petrova (Laila Robins). Where Liz’s mother actually is remains unclear, but Tatiana initially assumed Katarina’s identity to help the woman escape and protect Liz.
The real Raymond Reddington was Liz’s father and was killed by his daughter’s hand as a child when she shot him. Katarina went into hiding at this point and Liz was sent off to live with her adoptive father, Sam. Since the U.S government and the rest of the world was unaware of Raymond Reddington’s death though, Katarina created a new one who could watch over Liz.