"The NYPD needs Troy’s military expertise to help find and stop a major terrorist threat to New York City.
To pre-empt the attack, they need him to fly to Europe and stop it at its source—using any means necessary.
Troy finds himself partnered with an Interpol agent who is as different from him as can be, and their instant dislike is mutual. But they have an attack to stop, and only a few days to do it, and together they’ll need each other as they crisscross Europe in a high-octane cat-and-mouse chase to shut these terrorists down."