At the breaking point of their dysfunctional marriage, Cass and Gav take a trip through Serbia. After meeting a mysterious local, Saint Peter, who eagerly offers to be their guide, the couple embarks on an impromptu sightseeing expedition that soon takes a series of sinister turns.

Fragile trust between people and vampires has come to the end. Ancient thousand year's war continues...She is the chosen one and she will fight till the last drop of blood.