Enigma

This Cold War thriller stars Martin Sheen as Alex Holbeck, a CIA agent dispatched to Berlin in order to infiltrate Soviet intelligence and obtain secrets from the Russian "Enigma" decoder. Holbeck's background as an East German defector helps him get inside, but soon his cover is blown and Holbeck is forced to seek help from an ex-lover, evading the KGB as time is running out and the lives of five Soviet dissidents hang in the balance. (moviesunlimited.com)