senior (played by zhang bo) is a newly enlisted recruit with an arrogant personality. after the recruit company ended, he was assigned to weapons and equipment repair by his leader. ddd。 veteran lin feng (played by xing jiadong) is a technical veteran in the machinery repair class. he has unique skills and is hidden. when gao shuai first came, he was out of place with him and was negative in his work, but lin feng's unique skills made gao shuai look at him with admiration. soon the two of them went from tit-for-tat to mutual appreciation. the repair team is located in the deep mountains of the border. in the early years, many landmines were laid out due to war, posing a serious threat to the lives and safety of local border residents. the troops were preparing to organize a mine-sweeping operation, and the master and apprentice signed up to participate in the mine-sweeping team and made great contributions to the operation. subsequently, the two participated in the military region's boundary mine-sweeping brigade and were responsible for the removal of residual mines on the middle side of the border. this task is both strong and dangerous. in a pursuit mission that accidentally entered the thunder tomb, lin feng left the god of death to himself...