Guarda Streamingcommunity. From celebrated author Janette Oke comes a rigorous and romantic adventure as epic as the wide frontier. Erin Krakow, Daniel Lissing, Jack Wagner and Lori Loughlin star in When Calls the Hear: Heart of a Mountie. In a fit of jealousy over Clara, Jesse throws a punch at Lucas, but hits an innocent stranger! And that stranger is Hope Valley's new Mountie, Nathan Grant! Meanwhile, Rosemary has put in a new secret telephone which vexes Lee, Carson and Faith agree to keep their relationship a secret, Nathan investigates the robbery of a stagecoach, and Elizabeth must put on a brave face when she sees the new Mountie about town for the first time.