To uncover the cause of her younger brother's death, the battle-hardened young woman Rong An enters the largest base in the apocalypse. But she never expected to be seen looting and killing at night.
Commander Xi Sen watches Rong An, a black-hearted little rabbit, with the calculating mindset of a chess player, wondering what kind of storm she might stir up. He never expects that the more he lets her do as she pleases, the more uncontrollable things become.