Nic Costa's and Gianni Peroni's exile in Venice is finally drawing to a close. And the Roman detectives' Last case, an apparently accidentat fire that has claimed two lives, should be a straightforward affair.

However, as they dig more deeply into the insular glass making community on Murano and the strange Arcangeli family, things don't quite add up. Soon Costa and Peroni become embroiled in a dangerous investigation into the shadowy, claustrophobic world that Lies beneath Venice's sparkling facade - where the usual rules do not apply...