In the middle of the night at the Museum of Volterra, young archeologistFabrizio Castellani is immersed in his work - research into the famousEtruscan statue known as 'the shade of twilight'. Completely engrossed, heis startled by the phone ringing. An icy female voice warns him to abandonhis work at once. A series of gruesome killings shortly follow, throwingthe people of Volterra into a panic. The victims - all involved in thedesecration of an unexplored tomb - have been torn to pieces by a beast ofunimaginable size. Fabrizio is in charge of excavating this Etruscan tomb.Fabrizio is joined in his fearless investigation of the past by FrancescaDionisi, a vivacious young researcher, and foremost by Lieutenant Reggiani,a brilliant carabinieri officer assigned to the case. Fabrizio is convincedthat a single event has set off the entire chain of events. What is hidinginside the enigmatic statue? What lies behind the bloodthirsty rage thathas lain in wait for all these centuries? What tragedy is hidden behind theinscription? Will Fabrizio manage to unravel these secrets without beingsucked into the spiral of violence himself?