"No. 003: My Shadow is the Murderer" tells the story of Lin Shen and others who were lured to the abandoned sanatorium in Rime Mountain by the mysterious Lao Zhou to participate in the so-called "Abyss Project." The identities of the six people are a mystery and their memories are confused. They think they are suspense authors, reporters, doctors and other different roles, but they don't know that they are all experimental subjects. As the trial began, they discovered that the memory was false, and behind it lay Lao Zhou's shocking conspiracy - to conduct memory transplantation and consciousness fusion experiments to select suitable experimental subjects.
In the process of searching for the truth, they encountered many crises, such as memory backlash, deadly traps, neurotoxins, etc. Thanks to the help of Dark Crow No. 007, I learned that I have a twin relationship with the mysterious Experimental Subject No. 001, And the transplantation of No. 001'S consciousness is the key. Xia Xiao accidentally fell into the hands of Lao Zhou and became a bait to trap everyone. At this moment, No. 001 Has awakened, and Lao Zhou is approaching with an unknown purpose.
Can they escape from Lao Zhou's control and uncover all the secrets of the "Abyss Project"? How will he face his own destiny being rewritten? In this battle with conspiracy and the unknown, every step they take is a matter of life and death.