After a mysterious bioweapon leaves two MTA workers dead and one injured, the team rushes to determine who is behind the attack and the location of their next target. Also, Jubal's past demons begin to surface when the high-pressure case coincides with Tyler's latest health scare.

After a string of armed robberies target various businesses, the team investigates a suspect who leads them to something much bigger. Also, OA worries about his future when his investments begin to go south.