Others transmigrate to conquer the world, but Gou An transmigrated and became a stray dog. Situated in the perilous Monster Beast Mountain Range, he adheres to the principle of self-preservation first and development second, acting weak, hiding his strength, and huddling in a corner quietly accumulating demon power. When his bloodline transforms and he assumes human form, the once timid and cute yellow-haired dog has already become a formidable high-level demon dominating the three realms. Crossing the heavenly tribulation and proving his immortal status, the True Immortal Dog who relied on playing it safe has thus made a name for himself across heaven and earth!