The year is 1483 and the mighty Medici family rule Florence with an iron fist. A new and unseen evil however, has been hunting and lurking in the back streets of this ancient city and only a young knight, Giovanni Lascorza can stop it. With the help of his chief aide, Otto Baldwinson, the two adventurers find themselves drawn into a complex web of lies, subterfuge and deceit battling a monstrous evil that will not rest until Florence is destroyed! The Tyrant of Siena is an epic tale of action and adventure, historical murder mystery, heroism and drama. Follow in the adventures of Giovanni and Otto and take a step back in time to the old world and wander the streets of the Italian renaissance as they investigate a series of murders in the heart of Florence.