During the Anti-Japanese War, under the leadership of the Communist Party of China, the people of Haiyang area of Jiaodong Peninsula cooperated with the Eighth Route Army to carry out mine guerrilla warfare, attacking the Japanese and puppet troops in mountainous areas, on roads, on the sea, and inside and outside the Japanese strongholds. Fighting wits and courage with the enemy, and launching a world-famous mine war with the Japanese invaders! Shocking, life and death, watching the heroic mine war, writing about the chivalrous and tender feelings of children. Zhao Hualong, a militia guerrilla, is good at imitating and transforming various mines, and has become a well-known explosion king. He has a group of combat backbones who terrify the enemy: Zhao Laohan, an old member of the Boxer Regiment who is good at using earth cannons, Erya, a female militia who is shrewd and capable, Sanpao, a sharpshooter from a hunter, and Xiaohuzi, who is very good at water but not perfect as a soldier... During the years of war, Zhao Hualong successively had emotional entanglements with three women of different backgrounds and personalities. Pure friendship and love are intertwined, and romance and sacrifice coexist in the smoke of war.