In the underground city, Xiao Tian, a transmigrated disabled dog cub, activates a devouring evolution system. Protected by Zhong Yue, he hunts beasts, awakening White Wolf Cyber Armor. Persecuted by Wild Boar Gang, Iron Tiger Gang, Golden Bear Group, Xiao Tian leads sisters across Death Desert and Frozen Tundra, gaining power. He explores ruins, overthrows tyrannical AI Alice, devouring her core. Reaching Saint of Beasts' peak, he defeats Lei Zhentian, is crowned king, establishing peace.