A gifted woman's intellect brings chance to lead covert European police force. But it backfires, costing her everything. Following murder at her home and kidnapped heiress, her ex-supervisor enlists a policeman's aid to reinstate her.

A couple decides to spend a romantic evening in a floor of a semi-abandoned building that slip because she works as a consultant for the council house and got the keys. During the evening they discover that a hooded murderer is the only tenant left in the building...and they have become the new target.