Otaku Guixiang (Wang Luodan decoration) 3-year-old literacy, seven year old catch the thief, and 13 years old to help the police solve the case, from small to large cracked up numerous unsolved homicide, is famous far and near genius detective. However, the high IQ of the cinnamon has a flaw, not only was abandoned by her boyfriend, but also unable to get out of the situation. In cinnamon all day immersed in the lovelorn sad together the Ripper case occurred in front of her and will involve her in another case even more bizarre cases. In the process of looking for the murderer, cinnamon encounter a seemingly harmless is always with her against the Interpol zhe (VIC). Shebeginstofall, two people launched a a mental game, also truth, closer and closer.