Sung Jin, a Korean student passionate about video games, spends his days trying to defeat a formidable boss in the popular MMORPG "High Life Ranker". Despite his relentless efforts, his level 18 avatar struggles to overcome the games challenges. Socially isolated and under the pressure of academic expectations, Sung finds temporary solace in the virtual world. However, tragedy strikes when Sung is the victim of a fatal car accident. In this dark moment, a mysterious entity linked to the game "High Life Ranker" offers him an unexpected chance: to live again in the virtual world he so cherishes. Sung enthusiastically accepts, seeing this as an opportunity to start anew as a paladin, a class specialized in protection and healing. Transferred to a vibrant and fantastical world, Sung must now navigate this new reality, master his new skills, and face even greater challenges. With a second life in "High Life Ranker," Sung Jin discovers that his wildest dreams can become reality, but he will also learn that every choice has consequences and that the quest to become the best is never simple.