Everyone in Jingcheng knows that Si Xiaonian is the most gentle embroiderer in the embroidery shop, and Yan Wuming is the most elegant doctor in the medical clinic. No one knows that she is the sharpest knife in the world, and he is the most obscure arrow in the court. During an assassination at a palace banquet, the sword tips of a double-faced assassin and a double-faced agent collided in the moonlight, and sparks splashed into the gears of destiny. There are rumors in Jingcheng that the loving couple once witnessed the stormy times. The peach blossoms in front of the hospital and the rattan chairs outside the embroidery workshop silently say: the deepest thoughts are love that needs no explanation; the sharpest light is the blade that protects the thoughts. The winds and clouds are surging, but in the end the thoughts are ignorant.