Everyone who lives in the military compound knows the Ji family and the Mu family. The old man of the Ji family and the old man of the Mu family are both the most famous figures in the military circles of country Y. They have many achievements in battle and have a tacit cooperation. It is always the old man of Ji who makes the move and the old man of Mu who fights.
People who live in the military compound also know that the grandchildren of the two families have fun. Ji Xian and Mu Fuchen are the two sweethearts. Mu Fuchen causes trouble, and Ji Xian takes care of it.