Many times we are searching for the truest self, but we don't know whether it is the unreality of ideals or the empty holes of reality. We eventually lose ourselves in the crowd. I used to think that when I was young, I thought I could do anything and that everything was within my ability to bear. However, now I slowly feel that we are still too naive, and we are just an inconspicuous speck of dust in this mortal world. Lost, perhaps the only thing that hurts me is the tears that have nowhere to rest. The world has already turned us into other people's puppets and our own slaves. Everyone has a past and present life. When memories reappear, when the gears of fate begin to turn, between family affection and love, between conscience and hatred, how should Xiao Wu choose? When former friends become destined sisters, when the person who is willing to wait for his whole life becomes the butcher who kills him with his own hands, what should Xiao Wu do?