In the near future, human memories can be retrieved and stored. Ling Su is a "memory scavenger". His job is to sneak into the huge memory database known as the "Sea of Oblivion" and clear out abandoned data and the remnants of broken consciousness. Three years ago, his wife Wan Qing fell into a deep coma due to an accident, and her memory was damaged. In order to find clues to awaken her, Ling Su wandered through the memory fragments of countless strangers. Until one day, he encountered a self-aware memory echo that shouldn't exist - "Number Zero". This mysterious existence not only understands his deepest secrets, but also seems to be inextricably linked to Wan Qing's accident. A deep dive to explore the truth and redemption begins.
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