After years of trying to set her world straight and return to her long lasting peace, Maeve Blackbriar soon steps backwards in her tracks. The infamous mercenary must do the unspeakable and kill a member of the Royal Guard to obtain a bounty that could have her living in riches for the rest of her days. However, the High Prince of Oria Empire refuses to accept the death of his hidden lover, forcing him to give the young girl a proposition that could have her set for life. She must serve the prince as a royal body guard, and do the High King's bidding throughout the land. However, by accepting this proposition, she gives her life to the King, and begins to realize that she is not the only infamous killer in the empire, forcing her to accept the responsibility of saving the world, soon creating everlasting bonds with her mortal enemies.