A top computer science professor unexpectedly discovers that his younger sister's mysterious death was no accident. Using code he developed himself, he enters a virtual city in crisis and repeatedly returns to the moment the crime occurred. With each reset, witness testimonies contradict one another, and lies conceal the truth layer by layer. Untangling the truth in a world where reality and illusion intertwine, he takes on the forces behind the scenes and uncovers a shocking murder case spanning both the virtual and real worlds.