"Set in 1945 during the Red Army invasion of Berlin. Women are victims of rape and devastation; one of them, Anonyma, had been a journalist and photographer. In her desperation, she decides to look for an officer who can protect her. She meets a Russian officer Andrej - an encounter which develops into a complex symbiotic relationship that forces them to remain enemies until the bitter end."
The download link goes to the american area version - if you are the UK or europe use this link instead
https://www.amazon.co.uk/Downfall-Berlin-Anonyma-DVD/dp/B002Z9HBN8 different name, same film , cost £4.7o
There is also a book which can be found here