The last century 60's Hongkong, Columbus (Gao Daxi) from the mainland, the country came to Hongkong for a funeral for his father, after the stay in Hongkong to do the police. Golub accidentally shot in the brain, do operation to get the bullet out when a debris left in the brain, and thus stimulate a part of the brain cells continued to expand, to his observation of increased memory capacity, with detective mind, but at the same time, his personality changes, by honest honest Township calve become egoistic.
Golub's purpose of this not for money, but to go down to posterity when one has passed away, hope Hongkong people still remember "high Columbus inspection" this person, in order to "when I" he made various unscrupulous. He later because fell in the church, the brain will get injured again, go to the hospital to help many operation, out of the debris, miraculously die not, but getting back to the previous character.
Golub is honest honest country Aberdeen into smart but selfish, god forsaken, finally turned into a Daming righteousness, do to force the detective, the whole process of ups and downs, embodies the advantages of inferior human.