A governor weighing a pardon for a reformed gang leader imprisoned for killing a cop hires Cal to determine if the guy has really reformed. Meanwhile, the death of a black probationary firefighter in a burning building might not have been accidental. Gillian must find out if it was murder and, if it was, who did it.

Lightman is hired by an old friend to find a corporate spy at a pharmaceutical company, then gets mixed up in a conspiracy surrounding a new drug that could put thousands of lives at risk. Meanwhile, the State Department hires the team to assist with negotiations for the release of two U.S. citizens imprisoned in Yemen.