He's a grumpy wine scientist who talks to his grapevines. She's a sunshine marketing consultant who loves Jane Fonda workouts.Brooke Chase is done dimming her sunshine for people who don't deserve it. When her Manhattan boss passes her over for a promotion Brooke trades her corporate career for a freelance gig at Heartstring Hill Heritage Vines.Her mission: create a marketing strategy that saves the vineyard before harvest season ends.Her problem: Oliver Moretti.The brooding wine scientist hasn't smiled in years. He learned to read grape sugar levels at seventeen, raised his two younger sisters, and has zero interest in letting some Manhattan consultant plaster his life's work across social media.He's grumpy. She's sunshine. He speaks in data. She speaks in feelings. He thinks her colorful sticky notes are ridiculous. She thinks his vintage cork collection is secretly adorable.With the harvest celebration approaching and the vineyard's future on the line, Brooke and Oliver will have to decide: is protecting your heart worth losing the one person brave enough to reach for it?My Grumpy Vineyard Boss is a sweet, small-town romantic comedy with a grumpy-sunshine love story, workplace sparks, forced proximity, a slow-burn that's worth the wait, meddling family members, and a guaranteed happily ever after. Standalone book 1 in the Heartstring Hill series.