Witchcraft! Ghosts! Vampires! Tarot cards! An old crone is bound to a stake in the Old Town Square of Prague and consumed by flames in 1356, her vengeful words setting in motion a series of dark events that unfold across the centuries, culminating in the historic flood of August 2002 that threatens to destroy the city. The novel alternates chapters set in medieval Prague and contemporary Prague (summer 2002). The chapters set in 1356-1357 incorporate a number of local Prague folktales and legends. These 1356 events alert Nadezhda that something very wrong indeed is afoot in Prague. Together with an elderly rabbi from Prague’s famous Jewish Quarter, she sets out to avert the impending disaster. In the summer of 2002, two academics attending a conference at the university – a Jesuit priest and a beautiful Irish professor (who is also a voracious Irish vampire, known as the Dearg-due) – develop their own nefarious agendas. To access the enormous potential power to which the dead witch holds the key, they dupe a secretary into helping destroy the city by unravelling the protective magic built into the Charles Bridge itself that has defended the city since its construction. A small group of academics at that same university conference discover the threat and are forced by circumstances to practice the folk magic they have previously merely researched. Drawing on the power of the Tarot, always especially associated with Prague, they battle the Jesuit, the Dearg-due, the unwitting secretary and the forces of evil that threaten to destroy the city. The academics realize that once free, these forces will unleash a dark power that could undermine all of western civilization. The final confrontation occurs as the historic flood of Prague in 2002 is conjured to destroy the magical Charles Bridge which has protected the city for centuries.