Ling Su, the top secret guard who was once a wandering orphan, was ordered to monitor Xiao Xuange, a waste material sent by the enemy. She originally thought it was just a simple task, but unexpectedly discovered that this proton concealed an abyss of wealth and ambition under his docile and harmless disguise. In the capital of the enemy country, where murderous intent is everywhere, the two went from testing each other to becoming a life-or-death alliance. Ling Su became Xiao Xuange's sharpest knife, clearing obstacles for him and killing Xiao Xiao; Xiao Xuange became Ling Su's strongest shield, planning the overall situation and paving the way forward for her. They work together to escape from the prison and return to their homeland. He straightens the court and outsmarts the ministers, while she gallops on the battlefield and is invincible. This is a powerful counterattack history about how two people who have been abandoned by the world support each other, rely on wisdom and force, step by step from the abyss of the mire to the top of power, and finally create a new empire side by side.