He is the most romantic and prodigal young banker in Shanghai, and she is the most calm and self-possessed genius pharmacist who returned from Germany. Everyone lamented that the bamboo horses and green plums in the alley back then were now completely different. Until the war broke out and he was shot several times and fell in a pool of blood, the key he gave her opened a cabinet full of base bonds and every postcard she sent back. Only then did Su Jingshu understand that the play he performed for the whole world was just to build her an ivory tower above the abyss that would not be stained by the flames of war.