Kestrel, being the daughter of an army general, never wanted to continue his work: kill, capture and go to his goal, stepping over human lives. But she is not ready to get married either, because she wants to fall in love once and for all. One meeting with Arin changes everything. He is from Herran. She is a Valorian. Slave and mistress. They can be together only if they betray their people. In order to remain loyal to their people, each of them must betray a loved one. What path will they choose? What ups and downs does fate have in store for them?