When Calls the Heart 7×04 Promo & Sneak Peek “Sweet and Sour”

When Calls the Heart 7×04 “Sweet and Sour” Season 7 Episode 4 Promo & Sneak Peek – Hope Valley endures a chicken pox outbreak in “Sweet and Sour” and the contagious disease “When Calls the Heart,” Sunday, March 15 (8 p.m. ET/PT), on Hallmark Channel. Though Elizabeth (Erik Krakow) takes action to keep the town safe as soon as one of her students becomes infected, its spread impacts many in town. Not only does the outbreak present challenges for Bill (Jack Wagner), who’s assembling a jury to hear a lawsuit against Gowen (Martin Cummins), but it also makes Rosemary (Pascale Hutton) dangerously ill. A worried Lee (Kavan Smith) stays close to Rosemary’s side, and Faith (Andrea Brooks) chooses to miss her ride to medical school to help Carson (Paul Greene) care for Rosemary. While Nathan (Kevin McGarry) and Lucas (Chris McNally) continue to vie for Elizabeth’s affection, Nathan investigates Gowen’s case and Lucas realizes how ruthless Gowen can be when it comes to business.

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