Petty celebrity Wilhelmina's corpse is found after a fatal, provoked fall from the stately mansion of squire Martinus. The aristocratic businessman lives there with his son Volkert, an overqualified handyman, spoiled-rotten daughter Aukelien, maid Riek and her daughter Guuske, who works in sir's firm, while Wilhelmina threatened the kids' position in the family's reputed charity foundation. De Cock sets a devious DNA trap and discards a false confession.
—KGF Vissers