"Memory Puzzle: Recovering the Lost Past" is a novel that combines suspense, fantasy and urban elements. It tells the story of the protagonist Su Yao, with the help of psychological counselor Lin Yu, by exploring the memory fragments intertwined between dreams and reality, gradually uncovering the mystery of her life experience and fighting against a mysterious organization. The story begins when Su Yao frequently dreams about a mysterious strange man. These dreams make her feel extremely confused and uneasy. In order to find the answer, she decided to turn to Lin Yu, a psychological counselor at the "Yiguang" psychological counseling clinic. Lin Yu used hypnotherapy to help Su Yao penetrate into her subconscious, but unexpectedly found that her memory was sealed by a powerful force. As the treatment progresses, the two gradually uncover a vast web of ancient family secrets and modern technological conspiracies. In the process, they not only have to face the pursuit from the mysterious organization, but also uncover the truth hidden deep in Su Yao's memory.