After a seemingly straightforward hostage situation turns out to have deeper international implications, the CIA and FBI find themselves racing against each other to apprehend the same criminal with a dark history. Carter expresses concern about Jane's trustworthiness, causing friction with Mayfair and testing Reade's loyalty to the team. Meeting Weller's family proves overwhelming for Jane as she grapples with her identity.

After a painting featuring one of Jane's tattoos is heisted from a gallery, the team discovers Jane is the real target. In order to protect her team, Jane goes AWOL.

After an abandoned baby is found with a tattoo identical to one of Jane's, the team races to piece together the child's identity and save dozens of infants. A furious Jane confronts Oscar about the outcome of his secret missions.

The team races to stop a corrupt DEA agent from selling stinger missiles to a drug cartel as Weller fights to keep everyone together under the increasing pressures of Jane's rift with the others and the uncomfortable addition of Nas as co-leader.

After Jane discovers that Sandstorm is gearing up for an imminent attack, she risks everything to send a secret SOS to her FBI team.

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

The team's desperate gambit to get Jane back puts her head-to-head with Remi.

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.