Li Xing, a spy from the Seven Mysteries Sect, infiltrates the Reverse Demon Sect but faces the risk of having his identity exposed after intelligence leaks. Xin Gan of the Enforcement Hall investigates the mole, while Tang Xueling uses soul-confusing techniques to identify suspicious disciples. Li Xing unexpectedly awakens a fortuitous opportunity from his previous life, gaining an exceptional spiritual root and a powerful divine soul. Through his wits, he narrowly escapes danger. He joins Tang Xueling and others on expeditions, repeatedly facing tests and trials while resolving crises and steadily advancing his cultivation. Later, he takes part in sect trades and secret-realm gambling battles, navigating competing forces, growing stronger through dangerous situations, and finding love.