Patty and Prefect Diard are trapped on a bomb-rigged plane as Fitz and Arch race against a ticking clock trying to discover who set the device, and how they can disarm it before it's too late.

Two murders are part of a larger conspiracy of betrayal, gunrunning and shifting alliances. As Gallagher's empire is fracturing, Arch and Fitz must face down a deeper threat stalking Saint-Pierre.