In a world where outdoor life has become a rarity, a young woman named Lena finds herself trapped in an overpopulated metropolis, where tall buildings have replaced trees and nature has become a distant memory. Every day, the gray and monotonous routine consumes her a little more, until one day she discovers an old diary belonging to her grandfather, an adventurer who used to explore natural landscapes before everything turned to concrete. Inspired by his tales, Lena decides to escape her life of urban slavery and embark on an epic journey into the unknown.