Virginia Farrell will never forget the magical masquerade ball on All Saints' Day: under the mask of the fairy-tale Rabbit, she felt safe, could intrigue and bewitch. A small piece of material covered the sane Virginia and freed the intoxicatingly bright Gingy. She seemed to be the embodiment of two women at once: intelligent, flirtatious, shameless, cold, reserved and - free from conventions. It was a strange, but by no means unpleasant, union. And at this witching hour, Virginia found herself... in the arms of a stranger. But at midnight she slipped away. And in the morning she calmly showed up in her laboratory. Was it just a coincidence that her yesterday's hero, Alex Bradock, became a work colleague?! Will he recognize in this sensible and enterprising woman the flighty and seductive partner of an unforgettable masquerade...