Immortal Cultivation follows the story of Li Shen, a powerful cultivator, who discovers that his wife, Liu Fei, has been betraying him and plotting against him with their enemies. Heartbroken and enraged, Li Shen divorces her, triggering a series of events that force him to grow stronger in his cultivation journey. As he rises in power, Liu Fei seeks revenge, and Li Shen must navigate a world of betrayal, power struggles, and immortality to find his redemption.