Blood Inc.

Beatriz Castro, a 14th Century Portuguese vampire has been on a vengeful quest to eliminate the bloodline of the man who murdered her mother. Living in modern day London, she now only needs to find the last surviving member of her mother's murderer, known by the name, Gonçalves. But in order to find him, Beatriz along with her loyal friends, Vitoria and Adam, she need to enter the deep criminal underworld that runs throughout the city.