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.

Animal Cruelty Investigators are determined to get justice for a neglected dog and her puppy, while Investigator Casadevall rushes to help some dogs suffering in the Miami heat.