FBI agent Jeannie Loomis returns in her tenth thriller novel. A flawed but strong and dedicated female FBI agent, Jeannie Loomis, believes that the ends justify the means. She and her team, working with the A.T.F. after a rollercoaster at a fictional amusement park in California is bombed. The bomber is aided by two other jihadists, all in retaliation to a drone attack in Iraq, killing an Iraqi general. While trying to identify the suspects and predict the location of their next target, a second amusement park rollercoaster is bombed. With assorted twists and turns, the carnage continues as the hunt goes on.