Season 19 has a raging wildfire that threatens the ranch, forcing the Heartland family to evacuate, but when a pregnant mare is trapped in the fire's path, Amy risks everything to try to save her. Amy must deal with the fallout when Lyndy's first 4-H show goes awry. Meanwhile, Katie does something unexpected with Dodger. When Amy returns to Pike River with Nathan to work with Search and Rescue horses she's confronted with memories of Ty.
