In the future city, memories can be extracted and restored. Gu Chuan is a top "memory weaver". His job is to repair the fragments of broken hearts of clients, but he has never been able to weave the past of his sister who lost her memory due to an accident. One day, a mysterious "Mr. Nightingale" brings a dangerous commission: to restore a dying memory that records a murder. When Gu Chuan dived into the scarlet abyss of memory, he was horrified to find that the brushstrokes in the deceased's painting were exactly the same as his sister's style. It's no longer just a job, but a deadly quest into his own dark past. He must find the answer behind the silent echo in the maze of lies and truth.
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