This TV series mainly tells the story of Ma Baoyu and five other soldiers from a certain unit of the Jin-Cha-Ji region who tenaciously blocked the Japanese army to cover the safe transfer of the large army and the masses, led the devils to the top of Langya Mountain, and bravely jumped off the cliff after firing the last bullet. Inspired by the spirit of the five heroes, five passionate young people in the Langya Mountain area, Qiao Jishan, Luo Fugui, Wang Shunmin, Gu Dali, and Xue Liangliang, threw themselves into the torrent of the War of Resistance, joined the Eighth Route Army, and smashed the Japanese invaders' conspiracy to dig up the treasures in Xiling with their blood and lives, composing a generous and tragic song of revenge for family feuds and national hatred.