The North Korean Regime is seeking revenge... When Sun Lin's old school friend Mack Remington shows up unexpectedly, she's both surprised and suspicious. But when she learns he was attacked by members of the North Korean Regime, and the possibility they are seeking revenge against her mother for defecting years ago, Sun can't ignore Mack's dire warning. Unfortunately, she's in the middle of a case, searching for a suspected North Korean nuclear bomb that has allegedly been smuggled into the city. She also doesn't know where her mother is, to warn her. Despite her secret childhood crush on Mack, she reluctantly accepts his help. Macklin Remington has always considered Sun a friend, they'd bonded during the years of Mensa boarding school. Seeing and working with her now, brings his protective feelings to the surface, along with an intense longing for something more. Working together, they fight assailants around every corner, while trying to track a small nuclear bomb, targeted for the upcoming presidential inauguration. The clock is ticking. Can Mack keep Sun alive, find the bomb, and convince her how much he loves her, before it's too late?