In 2035, a strange disease called "bleaching syndrome" swept the world. The patient's memory and emotions will fade along with the color perception. Lin Ying, a former criminal profiler, was forced to take over a bizarre serial case in the early stages of his illness - the victims were all precisely assassinated before they completely "faded". In a gray and blurry world, he must race against time to track down the "colorist" who only exists in the shadow of other people's memories. This is the ultimate pursuit of color, memory and the undertone of human nature.
