The story tells about "Sergeant Chow" (played by Rong Qihang) who was misunderstood for protecting a female soldier, and the female soldier gradually grew up in the face of more challenging training. At the same time, "Joey" (played by Cai Beier) and her boyfriend's relationship unexpectedly involved the female platoon leader. The girls' GBMT journey was full of challenges, but they never expected that their skills test would shock the whole country...