When the female spy dressed up with black bodystocking and veil, she was going to farewell the world. In the other words, she is stepping to the entrance of the hell.
Two office ladies tried to steal confidential data but their identities were discovered after black bodystocking were exposed by the enemies. They were trapped in cages then tortured by high voltage electricity, wooden horse and fatal wheel. They died when being tortured. But it was just a beginning of their horrible experience of being female spies.