Reeling from the betrayals of last season, the CIA's Prague Station faces scrutiny as an investigator from Langley arrives to clean house. Meanwhile Soviet agent Tanya Morozova, exposed as a member of the Ice and surrounded by Acolytes of the Flame, must walk a delicate line between KGB Chief Sasha and power hungry Zerena who both seek to use her. With suspicions high and conspiracy all around, new players come to Prague bringing magics that could turn the tides of war.