People hurt themselves, flowers are about to fall, and the east wind cannot blow. Three thousand east waters flow eastward. The sorrow of love, the pain of love, it is worth looking back at the broken flowers to fade in the moonlight. It is a sword known to everyone in the world, and it hides a shocking secret. She is a woman known to everyone in the world, but unknown to everyone. She is highly skilled in martial arts, but has mysterious amnesia. . . Sometimes friends and enemies are always on their minds. . Sometimes, no one knows that happiness is behind you until the end. . . .