Hope Valley Under Fire: When Calls the Heart Season 13, Episode 2 Preview. The stakes have never been higher in Hope Valley as “When Calls the Heart“ returns to the Hallmark Channel tonight, January 11, at 8/7c. In the gripping new Season 13 episode, “Up in Smoke,” a dangerous wildfire tears through the newly opened … Continue reading Hope Valley Under Fire: When Calls the Heart Season 13, Episode 2 Preview