富家子弟张能量考大学失利,被爷爷张友良反复动员下参军入伍,选择了陆军里最为艰苦的兵种——坦克兵。张能量思维活跃，善于逆向思维，办事往往不按常理出牌。本以为到部队凭他的聪明和身体素质可以暂露头角，不想却遇见了劲敌于大雷。张能量和于大雷开始了两年的对抗。班长牛努力是个农村兵，他最大的梦想就是考取军校，可因为张能量，他两次跟军校失之交臂。终于，在跟张能量的较量中，二人从冤家对头，到一辆战车的亲密战友。“假小子”黄晓萌选择了自己喜欢的坦克兵，在她的软磨硬泡和不懈努力下，她终于开上了装甲车，成了第一批真正意义上的女装甲兵。张能量、牛努力、于大雷组成的“坦克三剑客”所向披靡，屡次获得优异成绩。终于，他们进入了陆军副司令员周德友的视野，被派往坦克工厂，圆满完成了新型坦克的测试任务。

Zhang Neng Liang is a fuerdai (second generation rich) who fails the university entrance exams and joins the People’s Liberation Army as a member of the tank crew. Squad leader Niu Nul Li comes from a rural village, and missed out on a place in the military academy twice due to Zhang Neng Liang. They start off on the wrong foot, though eventually become fast friends after being allocated to the same team. The pair are joined by sole female crew member Ye Xiao Meng, an earnest tomboy who becomes the army’s first female tank driver.