The team must partner with an oddball conspiracy theorist to keep Crawford from acquiring a deadly weapon and Roman struggles to maintain his personal life with Blake while completing a series of secret missions.
The FBI team and Avery attend a gala hosted by their target Hank Crawford in hopes of arresting him. Roman grows closer to the Crawfords.
Jane and Weller hunt down an elusive criminal. Meanwhile, Patterson's father helps the team in the laboratory.
Jane and Weller are on the hunt for a former colleague. As they track Roman down to where it all started, it is not certain if they have what it takes to finally stop him once and for all.
The team must decide whether to trust a prisoner who warns them about a dangerous plot. Zapata is caught between the FBI and the CIA. Roman and Crawford butt heads over how to handle a volatile situation.