After many controversies Poland's biggest military intelligence and counter-intelligence agency (commonly known as WSI) is liquidated, but its place is immediately taken by a new, secret military organization. Forced to deal with obscure cases, Its three members soon begin to doubt both their mission and the people they work for.

À la fin de la Seconde Guerre mondiale, un courageux héros de guerre devient un agent du gouvernement polonais chargé d'obtenir l'aide de l'Angleterre contre l'Allemagne.