RE: The first astronaut ever.
Anna, a young Russian woman claiming to be the granddaughter of a lost cosmonaut and, possibly, the true first man in space, persuades them to change their plan and help her to find out if he is still alive. They will follow a range of ambiguous clues through London, Latvia and Lithuania, that will take them closer to the elusive truth, without ever reaching it. http://www.imdb.com/title/tt2942226/combined