Archangel (1990)

Lt. John Boles, a one-legged soldier, is assisting the White Russians in the Russian Arctic during World War I. He finds himself in Archangel, a crystalline city of spires and domes, inhabited by some very confused people. Boles loves Iris, who is dead, and meets Veronkha, whom he mistakes for Iris. But Veronkha is already married to Philbin, who forgets he is married to Veronkha. Veronkha thinks Boles is Philbin...