故事讲述了因为一场车祸失去双腿的童松(邵庄饰)与技术顾问安宁(安宁饰)、安全顾问梁猛(大牛饰)合伙开办保镖公司。不料保镖团的第一单任务就遭遇不少意外,在各方势力暗流涌动之下,童松抽丝剥茧与罪犯展开斗智斗勇……。After the American Army shot down a UFO in 1947, generations of elite commandos were secretly trained to deal with the aliens' feared return. However, the extra-terrestrials never came back and the elite force was disbanded. Sixty-six years after the Roswell crash, the aliens are invading Earth and only the over-the-hill retired commandos can stop them.。