When their plane is sabotaged, only together can they stay alive. When Blackhawk operative Vincent Kalani boarded an airplane, he never expected it to crash into the Alaskan mountains, but by-the-book police officer Shea Ramsey soon becomes his unlikely partner in survival. Shea was headed to New York to fight for custody of her son, but now she's fighting for her life with an ex-cop who's equal parts inscrutable and 100 percent unpredictable.