One of Jane's tattoos sends the team to a remote location where they find themselves face to face with a dangerous criminal in a case that puts Jane and Weller's strained relationship to the test and threatens to expose Mayfair's secrets. Meanwhile, Patterson breaks the rules to solve a tattoo puzzle.

After a tip reveals there's a mole within the FBI's New York Office, the team must hunt for the operative while facing extreme scrutiny from Inspector Fischer. The team's deepest secrets threaten to be exposed, and everyone is a potential suspect - but some, especially Jane Doe have more to hide.

While Weller and Nas chase a fugitive whistleblower in Bulgaria, Jane goes on a Sandstorm mission with Roman. Reade and Zapata must deal with an urgent matter.

When an unusual tattoo leads back to Roman, the team must decide whether to send him into the field...to go undercover with a dangerous biker gang.

The team finally cracks a member of Sandstorm, leading to a huge breakthrough in uncovering Phase Two.

As the team adjusts to their new dynamic -- and the new tattoos -- they battle a dangerous foreign power that is trying to hijack a satellite.

After some personal strife, the team must find a way to work together to track down missing nuclear warheads.

The team must decide whether to trust a prisoner who warns them of a dangerous plot. Zapata is caught between the FBI and the CIA. Roman and Crawford butt heads over how to handle a volatile situation.

Jane and Weller hunt Roman back to where it all started and attempt to stop him.

Patterson and Rich DotCom take the reigns as the FBI team faces an explosive threat.

The team is drawn into dangerous political intrigue when a tattoo points to someone from Weitz's past.

The team races against the clock to save Jane from a killer's nightmarish scheme.

The team sets out on an international mission to stop an attack from spreading. Madeline attempts to turn the tables as internal conflict threatens relationships within the team.

Jane tries to pick up the pieces after the explosive finale in Iceland. She gets a strange message from an unknown ally that allows her to mount a rescue mission to free Rich Dotcom from a CIA black-site... but she'll need the help from her old rival Sho Akhtar.

As Ivy races to retrieve the devastating stash of ZIP bombs, the remaining members of the team must rely on the help of a longtime thorn in their side, the very unstable genius Kathy Gustafson.