里克是个顶尖生化专家，曾在战争中立下大功，一晚，实验室中大量致命毒气被盗，就在千均一发之际，里克凭着他过人的胆识及沉着的智慧，才不致造成更大的灾难。事件过后，里克被要求协助案子调查，而他的妻子则因公务需要搭上副总统的访问…

To escape a serial killer, a single mom and her daughter enter witness protection, only to find their lives in greater danger than ever.