None of the guests at the reception held in honor of Halley's Comet suspected that this magical night would end in a brutal murder that would cast an ominous shadow over three generations of the Cavendish dynasty. Not a single man of this family could resist the charms of the charming and dangerous Constanza. Love, hope, deception - everything is mixed up in a dark whirlpool of passion, into which the brilliant and in her own way unhappy Constanze drags them. Her dark secret becomes a curse primarily for herself.