In 1963, a secret KGB unit made its way into West Berlin during a dark and stormy night to bury Stalin's "gift" to Berlin - the Wunderwaffe, taken over by the Soviets from the Nazis at the end of the war.
More than 60 years later, a group of young Germans, while diving in an abandoned quarry, discovered an old truck at the bottom of the quarry with several skeletons and a warning written in pencil on a piece of newspaper.
Anna, a German...