When an assassination leads the team to a dangerous app that allows criminals to track government vehicles, they have to work with the app’s surprising creator to take it down….

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.

With Nas’s help, Weller and Jane finally come face-to-face with Nas’s inside source within Sandstorm, and square off with an old foe.

After an armored truck is robbed, the team discovers that the stolen goods are chemical weapons and they must race to thwart a terrorist plot. Meanwhile, Jane grapples with a…