In a British mill town, newspaper editor George Boswell (John Mills) fights for better working conditions for miners. He falls in love with and marries Olivia (Martha Scott), but when a diphtheria epidemic kills the couple's young child due to Olivia's inaction, they divorce. Olivia remarries, while George continues fighting for reform. As time passes, the orphaned girl George helps raise and Olivia's son from her new marriage fall in love. George must help them get together.