KEEP YOUR LOVE FOR ETERNITY For generations, couples have been coming to Eternity, Massachusetts, to exchange wedding vows. Legend has it that those married in Eternity's chapel are destined for a lifetime of happiness. And the townsfolk are more than willing to help keep the legend alive. Abolitionist William Powell was a man secretly committed to a just and dangerous cause. There was no room in his life for the kind of distraction that Bronwyn Davies was fast becoming. Nor for the passions the Welsh beauty was beginning to stir in his long-barren heart.