Ghost Horse (S02E01)

It's been four months since Ty's sudden and still unexplained departure, and Amy has moved on and gotten used to working with Caleb Odell, Heartland's new stable hand. After Amy becomes determined to rescue a wounded wild mustang, Caleb helps her to capture the horse. But when she attempts to gentle the mustang, nothing seems to work. With Amys 16th birthday just days away, Lou is busy planning a surprise birthday party for her sister. (iTunes)