In a futuristic city drenched in neon and rain, top memory adjuster Ling Chen can sneak into other people's brains and trim painful memories. He mended the broken hearts of countless people, but was unable to piece together the incomplete memory of the car accident and the red umbrella in his mind. It wasn't until a mysterious woman named Su Wan came to ask for help with memories of the same rainy night that Ling Chen discovered that the truth he was searching for was not only his past, but also a cruel secret that could overturn the fate of the two of them. They are all prisoners imprisoned by time, trapped on an island called memory.
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