A bomber brings terror to Christmas as the presents go tick…tick…boom.

With criminal investigative analyst Olive Wells at the center of a bomber’s dangerous game, she’ll do anything to catch the culprit — even work with her ex-fiancé and his K-9 detector dog. But with the Christmas rampage drawing ever closer, Zac Turner’s convinced the attacks are personal. Can they piece together their ties to the bomber…before another gift explodes?