In the future underwater city, memory becomes the only currency. Zhiyao, a memory downloader, wanders between the silence of the deep sea and the undercurrent of the human heart all day long. She makes a living by downloading fragments of the future for others, but during a mission, she glimpses a destiny she never chose. The deep blue waters swallowed her past, and fragments of the unknown future grew like coral in the depths of her consciousness. Zhiyao longs to reshape himself with memory, but is drawn into a whirlpool about the power of memory and true humanity. The song of the deep sea whispers loss and hope, and her sense of belonging is fading away with every download. She must find an exit in the gradually collapsing memory world, or dance with the eternal loneliness under the sea. The novel depicts the intersection of memory and future with poetic touches, showing the longing of the human heart and the sadness of the deep sea, asking in the boundless blue: If the future has been downloaded, what choices do we have left?
