Animal cruelty investigators swim in alligator-infested waters to help save an injured alligator. Later 400 farm animals are rescued in Miami's biggest ever seizure.

A dramatic rescue to save a manatee's flipper uncovers a secret. Meanwhile, Investigator Casadevall is on the hunt for poachers whose attacks have left several cattle dead.

Animal cruelty investigators rescue a sickly puppy suffering without water or shelter; a tourist attraction is visited by a wild alligator.