现代伦敦与地点不明的宗教狂热“其时城”，两个世界、四条线索平行发展。乔纳森•普利斯特（瑞恩•菲利普 Ryan Phillippe 饰）是其时城的面具英雄，也是其时城唯一的无神论者，因悔恨自己没能拯救
In December 1776, Benjamin Franklin is world famous for his electrical experiments. But his passion