Shin Hokuto no Ken

In the past, there was a war between various countries on earth and it led to an apocalypse which contaminated the water of the whole world and made it toxic to live there. Some people escape from that apocalypse and survive on the earth. Sanga was a man who built a fortified zone where people could live and it was the only fertile place that was left on the earth. A few people from a village accidentally discovered the pure water and Sanga got knew about that and then wanted to get that at case. For that, he sends his men to theft that water and kill all people. At that time, a man appeared from the woods and started to kill Sanga men and protect that water. His name was Hokuto Shin Ken. Sanga wanted that any cast and Ken wanted to protect the people and stop him.