Midnight Series by Sidney Sheldon

Paris...Washington...a peaceful Midwestern campus...a fabulous villa in Greece...all part of a terrifying web of intrigue and treachery as a ruthless trio of human beings - an incredibly beautiful film star, a legendary Greek tycoon, a womanizing international adventurer- use an innocent American girl as a bewildered, horror-stricken pawn in a desperate game of vengeance and betrayal, love and lust, life and death...