A military attaché at the French embassy is drawn into a world of abduction, betrayal and intrigue in the diplomatic salons and back alleys of Warsaw. A classic tale of spying, intrigue, and romance, based on the novels of Alan Furst and adapted by Dick Clement and Ian La Frenais.
Mercier goes undercover to Czechoslovakia on the trail of the elusive Chaika.
A German engineer meets with Colonel Mercier and information is exchanged for money.