After unemployed youth Zhao Ziqiang is killed by a wild boar, he is reborn as a pit bull named "Jiu Bai" and rescued by Guo Jie, the captain of the agriculture protection team. He joins the Qingye Agriculture Protection Team and teams up with his comrades to fight against the rampaging wild boar king and the mastermind behind the scenes. In a fierce and tragic decisive battle, Jiu Bai is heavily wounded and sacrifices his life, his soul reincarnating as human Ding Xiaoxu, ultimately returning to the agriculture protection team to continue guarding this mountain forest and old friends.