An old foe has returned for revenge…but Lexi Mills never backs down from a fight.

When chaos erupts at a local grocery store in a quiet town near Sacramento, police arrive to discover a horrifying scene—explosive devices trapping a crowd of civilians inside the store, ready to detonate at the push of a button. After ATF explosives expert Lexi Mills arrives on the scene, she quickly realizes that this hostage situation runs far deeper than she imagined…

Locked in a desperate struggle with a vengeful madman while racing against the clock, Lexi must use all of her cunning to rescue the innocent hostages; a situation that forces her to grapple with impossible questions.

But her enemies aren’t going down without a fight, and Lexi will need to put her life on the line and push her skills to their limits if she wants to get everybody out unscathed…