Lu Fei (played by Wang Ziyi) is a rich second-generation who was born with a golden spoon. His father promised that as long as he joined the army, he would be able to get a huge bonus of 5 million after demobilization. Sima Zhan Ge (played by Zhang Ningjiang) was born in a remote rural family. He regarded becoming a singer as his ideal in life, but he was repeatedly frustrated. In order to get closer to his dream, he came to the barracks. Zhang Xiaowu (played by Xuanyan) has been weak and submissive since he was a child. His mother, who was seriously ill and dying soon, sent him to the barracks in order to let her son grow into a man who could stand on his own. In this way, three boys with completely different births and growth experiences met. During the training, the three of them formed a deep friendship. Zhang Xiaowu's mother died after all, which dealt a huge blow to Zhang Xiaowu. His personality became withdrawn and impulsive. Because of repeated violations of military discipline, he was expelled from the army.