John Wesley is a fiery preacher who is stirring up the people in London. One day, while peddling his father's wares, Robert Upton meets Wesley and his life is changed forever. Robert and his father start going to Wesley's meetings. Gradually, Robert begins to understand what Wesley's preaching is all about. As he allows God to work in his life, Robert finds that his own heart, like Wesley's, is strangely warmed. For 9-to-14-year-olds.