After Red learns that a tactical nuclear weapon is being targeted by thieves, it's a race against the clock as the task force struggles to stop them -- and prevent an imminent nuclear disaster. Meanwhile, Tom and Liz make a decision that will change their relationship forever.
Elenco: James Spader , Diego Klattenhoff , Harry Lennix , Megan Boone , Amir Arison , Hisham Tawfiq , Ryan Eggold , Mozhan Marnò , Laura Sohn , Parminder Nagra , Anya Banerjee .