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

The team scrambles to get ahead of Madeline and Ivy as they close in on the bunker's location, but someone on the inside is feeding Madeline information. As her plan takes shape, the team may be forced to take desperate measures.

With the surviving members of the team captured and held in FBI custody, Madeline and Ivy are in the final stages of their plan, but a few unlikely allies come out from the woodwork, trying to stop her before it's too late.

As the team works together to take down a foe, Jane and Weller face a toxic secret that threatens to tear them apart.

When Patterson's investigation into a tattoo results in a horrible incident, she tries to figure out what went wrong - but quickly realizes all is not as it seems.

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.

Turn off your mind, relax and float down stream...it is not dying...it is not dying.

Roman's clues lead to a billionaire hypochondriac with stem cells that could cure Jane, who is now on her deathbed. Patterson and Rich offer to trade the Book of Secrets for the stem cells -- but first they'll have to get it.

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 and her team must fight for their lives when Roman sends deadly assassins after them. Meanwhile, Patterson goes on a date, Reade contends with the O.P.R. inquisitor, Jane and Weller go to dinner, and Zapata attends a funeral.

Jane is forced to recruit someone from her past to help take down a dangerous alliance.

Facing a threat within the FBI, the team is forced to run a covert operation out of Jane and Weller's apartment. A tattoo leads to a doctor with a deadly secret.

Jane and Weller's romantic getaway is cut short when the team must stop Madeline Burke's plans to blow up a building and crash a plane that turns out to be more than the average commercial airliner.

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.

Jane and the team reach out to Patterson's father in the hope of gaining access to a high-level conference in Finland where they hope to bring Matthew Weitz to their side.

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.

In the thrilling mid-season finale the team goes after a group of sleeper spies that have just been activated and race to stop a slew of assassinations.

While Jane and Weller hunt down a collective of dangerous computer hackers, Patterson and Rich Dot Com must work together to hide an explosive secret from their past.

The team goes undercover on a movie set to stop a terrorist plot with unlikely backers. Roman blackmails Weller with a horrible secret about Jane.

Weller and his former FBI partner reunite for a dangerous undercover mission while Zapata interrogates a past foe.

A surprising visit from Nas leads the team to investigate a dangerous piece of technology that was stolen from the NSA. Roman and Blake grow closer as they attend a high-stakes poker game.

A CIA source threatens to tear the team apart. Rich's place in the FBI is called into question. Roman and Crawford spend a day together under strange circumstances.

After receiving shocking news about Avery's father, Jane and Weller must hunt down an elusive criminal. Meanwhile, Patterson's father helps the team in the lab.

Reade confronts Zapata, while the team follows a lead to a potential cure for Jane.

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