When Amy is invited to do a horse clinic in Montana she and Ty decide to take a road trip together until an unexpected encounter derails their plans.
Tim is immediately confronted with a problem student at his new rodeo school and a reluctant Amy is forced into wedding planning with Lisa.
When Scott's nephew comes to visit, Amy and Ty help him realize he is worthy of continuing his family's tradition of relay racing.
Lou returns from Vancouver with a secret that threatens to change the Heartland family forever.