You Think You Can Rule the Mountain?

[Republican-era setting + bandit, unhinged heroine + warlord, brooding hero] Neither the heroine nor the hero is a good person. In a world where people devour one another, they each find their own way to survive. One is a ruthless assassin who never bats an eye; the other is a brooding young master who clings to life. An arranged marriage brings them together, and they begin their ruthless climb to the top.