Ten years ago, a global natural disaster struck and the sports world suffered a devastating blow. A basketball superstar dies, the league is suspended, and the world falls into chaos. In the ruins, a young man, Xiao Yan, carries his father's legacy and relies on the system "Court Master" to survive in the cracks. This system allows him to predict the crisis in every disaster and at the same time acquire basketball talents beyond ordinary people. Starting from street basketball in the slums, he gradually formed a team to fight against the Western forces that rose in troubled times. When the Doomsday League restarts, Xiao Yan will not only face the encirclement and suppression of powerful Western teams, but also uncover the huge conspiracy hidden behind the disaster. Can he lead the rise of Eastern basketball and use basketball to rewrite the hope of human civilization in this doomsday world?