Kirsty Barclay, a levelheaded an modest farmgirl, turns down a promising proposal from her childhood friend, Francis, a man she cannot respect and must soon oppose with unexpected passion. Kirsty's brother, the simple-minded Steenie, is ever seeking 'the Bonnie Man.' He learns to let the Master's love grow in him, and discovers that his life has value only when he lays it down, or loses it, in the service of others. Will the foosish, trifling Francis ever grow to be a man worthy of his lairdshi[ and the love of a godly woman like Kirsty?