Life and death even Wu Thirteen finally died?

In the drama "Company of Life and Death", Wu Sangan was just an ordinary citizen who loved to fight bravely at first, but he fell behind at home. He entered the battlefield for revenge and became a brave and handsome blood hero. Ding Ling is a beautiful and kind Eighth Route Army doctor. In the play, he started against Wu, and later he was moved by getting along with Wu. But according to Wu Spoiler, and Ding Ling both died in the end? Then how did he die?

"Life and Death Accompany" In order to retaliate against Wu Hexin Wulian, the Japanese army poisoned the village within 25 kilometers, and many innocent villagers were killed. Ding Ling was unfortunately poisoned while saving the poisoned person. Wu Shisan was stabbed several times by Nakamura after he finally killed Nakamura in a fight with him. Wu thirteen smiled and fell down slowly. Finally, Guan Tuan found Wu Shisan and called his name. Wu Shisan's fingers moved slightly. Probably not dead.