Description 'An irresistible concoction of crime and culture' Daily Mail A game of blackmail and betrayal is played among the backstreets and canals of Venice .
Carnevale is in full swing, the streets and waterways of Venice are crowded with masked revellers and Nathan Sutherland's birthday is about to be ruined.
A night at the opera at La Fenice is always a memorable experience - and this time it will be so for all the wrong r.