In 2050, a new technology is developped: it allows people to enter the dream world of someone else by using a special headwear. Detective Yu wants to use her technology in order to solve his case. Researcher Lan Xiao Wei agrees, as she thinks the case was connected to her mother's coma. As Xiao Wei linked herself to the dream world of an unconscious victim, the detective follows her in secret. The two of them experience all kinds of dangers in the dream world.