A mysterious natural phenomenon caused the planet earth to be plunged into darkness. The planet converted into endless bloody chaos and mankind is on the brink of extinction Chu Yun Sheng, a typical white-collar worker, uncovered his family heirloom, a book, shining a bizarre light unintentionally. Out of curiosity, he tried to review the book. After long research, he still only understood a few symbols written in the ancient book. However, he was shocked when he determined what messages the ancient book tried to simply tell him: sunlight will go away, and humanity is doomed He tried to spread the message, but no-one believed him; his family and friends even tried to take him to see the psychiatrist. Eventually, he gave up telling anyone but prepared for the apocalypse in secret. Until one day the sun really disappeared
