When FBI operative Therese Ortis and Texas Ranger Wade Hamilton agree to team up, they have one goal in mind: find and stop an algorithm that could destroy Dallas--or worse. But going undercover in order to bring down a criminal organization comes with its own form of danger. If discovered, they're bound to be torn apart. Then not only will their beloved city pay the price, but Therese and Wade will suffer unforeseen--and unimaginable--consequences.