Instead of opening a veterinary clinic, veterinarian Kim Jeong-ho chooses to treat wild animals without guardians. Witness the intense life-or-death struggles in the operating room, the perilous integration of wild beasts, and the tear-jerking moments of rescue, all at the fingertips of Korea's top wildlife veterinarian. This is the passionate 18-month record capturing the vivid reality behind the scenes of zoos, a world we never knew.