"Every August, Florence shimmers in the summer heat. But this year the heatwave is fiercer than usual, and the city's inhabitants have fled to the cool of the hills and beaches of the surrounding countryside. So it is no surprise that amidst the shrubbery of a normally busy roundabout, a corpse lies unnoticed, bloating in the humid air. Sandro Cellini will not be joining the crowds of holidaymakers this year. The former policeman turned private detective...

When private investigator Sandro Cellini is invited to attend a glamorous launch party for a luxury residence overlooking the glittering expanse of Florence, he has no idea what he's walking into. Behind the ancient and luxurious facade of Palazzo San Giorgio, there lies a series of terrible secrets; an old torture chamber, hidden for centuries in the bowels of the building, and a much more recent malevolence. The former head of security for this...