The male protagonist's girlfriend vanishes without a trace, and he is told there are no leads. Relying on his professional expertise, he searches for her, only to discover after a series of events that a strand of her hair shows signs of genetic mutation: she is a robot on a biological level. The male protagonist is kidnapped and locked in a baffling space, where he meets a fellow captive called A. A tells him about his own experiences, and the two of them find a way to escape this terrifying place. During their escape, he takes a sample that he senses is extremely important. Later, pursued by "aliens," he uncovers the secrets of a spacetime laboratory, only to find that its owner has disappeared. To get his girlfriend back, he tries to maintain the laboratory's balance, and is reunited with her inside it.