Callie Webber's budding romance is interrupted by attempted murder. Her mentor Eli has been shot, a sniper's bullet piercing his chest. Rushing to Eli's aid, Callie finds herself on the island of St. John, where she puts her P.I. license to good use. A little digging into Eli's past uncovers his secret connections to the NSA and to a mysterious woman who was supposed to be dead.