Since the teenager was struck by lightning at the age of thirteen, he has been suffering from headaches during thunderstorms. No matter how many hospitals' examinations were conducted, the cause of the disease could not be found, and life fell into despair. Until one day, he unexpectedly discovered that the jade he was wearing could relieve his headache. The strange jade slip left him completely puzzled and unable to draw any energy from it. Nevertheless, he vowed to find out the secret of the jade slip. At this time, a mysterious figure shows great interest in jade pendant.....

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In the deep of night, the sky looked as if it had been coated with a thick layer of ink, completely dark without even a single star in sight.