1966: with Nick Fury missing and presumed dead, S.H.I.E.L.D. sends secret agent Ran Shen to collect two Nazi scientists with the key to winning the Cold War. But the Soviets want the scientists as well and have unleashed their most dangerous operative: the Winter Soldier! His mission: acquire the scientists by any means necessary. or kill them. Only an elite Hydra squad run by Chancellor Cassandra and Madam Worm stand in his way.