Captain Alexei Korolev has nothing to complain about. He has his own room in an apartment, a job in the police force that puts food on the table, and his good health. In Moscow in 1937, that's a lot more than most people have to be grateful for. But for the first time in a long time, Korolev is about to be truly happy: his son Yuri is coming to visit for an entire week. Shortly after Yuri's arrival, however, Korolev receives an urgent call from his...