In present day Prague, Kate goes missing, and Martin fears she's been abducted. Martin makes a risky proposition to Nina and Simon in an effort to bring her to safety. Gabi discovers that Blazek may have a dangerous connection to Tamir. In 2001 Prague, Ballard and Gabi use questionable methods to threaten Dmitry. In 1985 England, Alex suspects his friend Terrence has resorted to ruthless tactics.