When a mysterious young girl with a tattoo connection falls into Borden's care, he brings her case to the FBI team-- but her ties to a terrorist organization prove dangerous for all of them. Meanwhile, a conflicted Jane starts to grow close to Weller again, and friendship blossoms between Borden and Patterson.

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.