Alex Shanahan has left the airline industry behind and is focused on her investigation business. When her partner's shady ex-wife, Rachel, shows up unannounced—and uninvited—she is dragged into a cold case with international implications . . .
 
Soon after Rachel appears, Alex's partner vanishes. The search for Harvey thrusts Alex into a world of European mobsters, terrorism, fraud, and a mystery halfway around the world that no one wants her to solve. The key to unraveling the mystery lies in the darkest corners of Harvey and Rachel's past life together. Finding it could save Harvey's life—and cost Alex her own.