In Shropshire, England, 1773, important men are planning the world's first iron bridge, to be built across the Severn River at Coalbrookdale. John Wilkinson, armsmaker, wants the bridge: let it serve as a symbol and advertisement for iron. Abraham Darby III, owner of the largest iron-works in England and a Quaker, wants the bridge: let it further his family name. Thomas Farnolls Pritchard, architect, wants the bridge: let it be the capstone of his career.
Maggie Foster, too, wants the bridge built - but built wrong this time. If …