When Tim's young racehorse, Cisco, is stolen, Amy and Ty get help tracking him down with the help of Ty's stepfather, Wade.
Ty's mother, Lily, returns to Heartland with shocking news about his father, and a secret that threatens her relationship with Ty.
Jack and Ty go to a remote lake to spread Ty's father's ashes, while Amy gives the abused racehorse another chance.
