A towering structure materializes without warning in the heart of the metropolis, immediately christened a dungeon by the masses. Teeming with treacherous landscapes and ferocious creatures, this mysterious edifice conceals boundless riches for those brave enough to seek them. Sejun, an ordinary young man thrust into the dungeon by fate, envisions wealth and fortune, only to discover himself marooned in an obscure corner of the tower with nothing but seeds and determination. Stranded in this forsaken realm, Sejun must cultivate crops, harvest resources, and devise innovative survival methods to endure the tower's unforgiving environment.