The '100 Year' war breaks out in 1920 which supernaturals teamed up against humans for the control over earth. A brutal war that lost more humans than supernaturals even with guns. The war came to an end in 2020 but humans who once had all the power, in the prime time of segregation and social classes, are all at the same level below everyone else, second-class citizens. Vivienne navigates going to a new academy in a new faction, which is known for being more belittling and looking down on humans, all while being a teenager.