Captain Chen Feng in the TV series "Never Forget"; Ji Cha, commander of a column of the National Revolutionary Army, was demoted to Hebei because of his non-lineal. After the army was defeated, Li Chishui came together by mistake, and then he was in charge of a battalion commander, a man with systematic military education. The identity of the guest army that he cares most about is gradually integrated in the process of getting along, from the initial yellow uniform with a gray cap, to the final initiative to take off the yellow uniform and put on the gray uniform to fight.