1. When Lin Yan, a science and engineering student, opened his eyes, he found himself as Chamberlain at 10 Downing Street in 1939—a declaration of war against Germany lay on the table, and outside the window, the countdown to the collapse of British hegemony was underway. But clutching his Zippo (his only token of the future), he was determined to overturn the script and personally rebuild British glory at 10 Downing Street.