Retired special forces soldier Wei Zheng unexpectedly stepped into the Western fantasy realm that was completely dominated by rules, and broke into the legendary elf dungeon together with his single female companion Cen Qiao who was familiar with the ancient customs of the elf community. They have to decipher the strange rules engraved in the lines of the ancient trees, avoid the fatal taboo that will result in exile if touched, find an exit in the strange and startling world, and uncover the secret truth behind the strange rules.
