Sejun, an ordinary underdog from Seoul, never expected his life to turn into full-time farming after suddenly falling into a mysterious dungeon filled with monster quests and lucrative rewards. Instead of fighting like others, he finds himself cultivating and selling cash crops while steadily completing the strange tasks that appear before him.

Despite the bizarre situation, he adapts surprisingly well, relying on his optimism, clever thinking, and a group of loyal animal companions who help him along the way.

Now, the real question is whether Sejun can eventually escape the dungeon and claim the rich rewards he has been working toward—or if he will simply continue thriving in this unusual new life.