English Summary/英文概要： As the Thirty Years War continues to ravage Europe, the American town hurled from the 20th to the 17th century by a mysterious force has aroused the implacable hostility of Cardinal Richelieu of France, who has allied with this old enemies to stop this new threat to privilege and power. But the Americans and their Swedish allies are also moving behind the scenes, sending a medical team to Venice to prevent a plaque, communicating with the Ottoman Empire, and reaching out to the Vatican, which has misgivings about Richelieu’s lust for power. But a Venetian artisan may cause all their plans to come to naught. After reading a 20th Century history book, he has become determined to rescue Galileo from his trial for heresy. The Americans are divided on whether to help him or stop him - and whether he succeeds or fails, the results may be catastrophic for the CPE.

Chinese Summary/中文概要： 一群20世纪的西弗吉尼亚人由于一个神奇的宇宙意外事故，闯入了17世纪的欧洲。他们与瑞典的国王结成联盟，建立了欧罗巴合众国。他们倡导的民主理想激起了法国的敌意，使法国人与昔日的对头联手来对付这个新威胁。西弗吉尼亚人偷偷到了威尼斯，用他们的医术防止了大瘟疫的再次流行。同时，又以威尼斯为基地，想与鼎盛的奥斯曼帝国建立商业关系。更重要的是，他们还想与梵蒂冈建立外交关系，以便利用教皇。但这时发生了意外。一个威尼斯爱国者看到了20世纪的历史书，知道了伽利略将被宗教裁判所审判。他决心尽其所能来阻止此事发生。问题是，这样做对欧罗巴合众国很不利。。。