S1, E4: When Amy and Lou empty their mother’s room, they find a letter dated seven years earlier from their father. A new guy, Ben, is sent to Heartland by his aunt, Lisa Stillman, and nobody likes him, especially Ty, who gets really angry when he pushes his horse too far. Amy gets knocked off her horse while trying to take Ben’s horse across the river. Ty is offered a job at Briar Ridge even after Amy accidentally tells Ashley that Ty is on probation. When Amy hears that Ty might take the job, she snaps at him.