Caleb brings his horse, Rusty, to Heartland for treatment after the animal becomes inexplicably ill. Ty initially suspects a parasite carried by possums he recently rescued, but diagnostic tests eventually reveal the real culprit: pesticide poisoning caused by illegal dumping in Weber’s Creek.
The episode highlights the dangers of environmental negligence through the pesticide dumping subplot. [S9E9] A Matter of Trust
Shows his compassionate side by caring for abandoned possums while simultaneously solving the mystery of Rusty’s illness. Caleb brings his horse, Rusty, to Heartland for