Zhao Shanhe, a middle-aged hunter, is framed by his daughter-in-law and driven out of his home. By chance, he saves Bai Linglong, a thousand-year-old white snake gravely injured while undergoing a heavenly tribulation. He obtains the snake's essence, which not only heals his old injuries but also awakens the supernatural ability of snake eyes. Using his newfound abilities, he makes a living hunting and takes on the wicked Wang Biao and the unscrupulous merchant Du Wancai, eventually forming a mountain-goods mutual aid team. Bai Linglong stands by him through countless trials, and together they endure the final lightning tribulation and overcome worldly prejudices to be together. His son, Zhao Mingyuan, also comes to his senses and repents.