Wild Horses

Wild Horses is the sixteenth episode in season five of Heartland. It aired March 11, 2012.

Summary
Amy and Ty join Scott on a trip back to his old reservation to save a herd of wild horses from the dangerous EHV-1 virus. Tim is having trouble coping with his recent break up and the stress of his custody battle and starts to drink again. Mallory is having a big sweet sixteen party until she finds out some heartbreaking news.