Hadley Baker can't believe her boyfriend finally invited her on a fancy hotel dinner date only to break up with her in public. Even more unbelievable is the moment FBI Agent JD Byers finds her crying in the women's restroom and demands she evacuate. Seconds after JD ushers Hadley outside, an explosion shatters the building. Could her life be any more disastrous?

JD didn't anticipate seeing Hadley, the beautiful schoolteacher, again after he saved her from the hotel attack. But soon after her ex-boyfriend became a lead suspect of the hotel bombing, the man turned up dead—and now it seems that Hadley herself is a target. Determined to keep her safe, JD shelters Hadley as they join forces to put together the pieces of the perplexing case. When they discover the horrifying truth behind her ex-boyfriend's nefarious work, Hadley realizes her life is far from the only one being threatened. Countless others are in danger, and she and JD may hold the key to saving them.