New to the North Park Animal Clinic, Dr. Kody Garrett is determined to prove herself to her boss. She gets her chance when he attends a medical conference and leaves her alone, in charge of the clinic. The young vet's confidence is shaken when dogs begin to mysteriously die. BJ Braden, a seasoned Animal Control Officer, teams up with Kody to solve the mystery of what they soon learn are a rash of animal poisonings. Amidst their growing attraction to each other they struggle to protect the animals to whom they have devoted their lives. Can they find the poisoner before they strike again? Who will be next...?