Chris is a former CIA agent who, after being accused of murder, decides to return to his hometown, hoping to leave everything behind. Once home he finds his sister Vika, curator of ancient texts at the university, whom he abandoned in the darkest and most difficult moment of their childhood. Tension between the two is high but, by chance, the brothers come across two keys to a bank. This will put on their tracks a mysterious criminal orga-nization "Black Sun", led by an individual called "The Prophet". Chris and Vika will have to come to terms with the past and its secrets as they travel the world in-vestigating the organization that is hunting them.