Ordinary man Silas dies in a car accident and is reborn as a weak Siberian tiger cub in the Siberian wilderness. Just after waking up, he is attacked by a wolverine, and his mother is severely injured while desperately protecting him. In a harsh and desperate situation surrounded by beasts, he relies on his human mind and his increasingly powerful tiger body to struggle for survival in the perilous snowfield, step by step forging his own path to becoming an overlord.