After learning that Iran’s top nuclear scientist Kian Nouri (Ryan Shams) fell from a 12-story hotel balcony in Dubai, thanks to a joint CIA/Mossad operation, Reddington (James Spader) alerts Agent Keen (Megan Boone) that a killer named Scimitar (Waleed Zuaiter) is out for revenge. Scimitar isn’t your normal assassin, according to Reddington. “He’s one part hit man, two parts con man.”