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 their side.

In order to stop a terrorist group from procuring a deadly chemical weapon, the team must remember key details from their first days at the FBI. Meanwhile, Weller worries after he gets scary news about the health of his daughter.

When Jane is shot and Weller is kidnapped, the team must fight to save both of their lives while maintaining the secrecy of their hidden base. Meanwhile, Weller is haunted by some dark ghosts from the past.

When Ice Cream, the Icelandic fixer, returns to collect his debt, the team is forced into a life and death race around the world to solve a series of puzzles and recover the infamous stolen Gardner paintings.

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.

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

The team join forces and rush to find a solution, as Jane has been exposed to substantial amounts of ZIP.