Once a blind spot detective, the real estate agent Chen Bohan (Ma Yuke ornaments), Liu Xinyuan (Wu Xin ornaments) was suddenly appeared to break the original quiet life. It was a legend in this place that people in the harbor square could see another world. But because of curiosity, Liu Xinyuan and a few bestie Yetan Harbour Plaza, actually saw their long dead father figure in the house, then find Chen Bohan for help. Chen Bohan no intention to get involved in such cases, but it happens to be friends TOMMY (Zhu Yuchen decorated), began to investigate. Chen Bohan midnight survey harbour square, did not find any clues. But he was in the life, but often appear inexplicable illusion. During the investigation, Chen Bohan learned that the hot pot shop owner A Cheng (Wang Jingchun ornaments) because of the night through the harbor square will often see the baby's illusion. Teacher Chen Wen (Yueming Pan ornaments) also because of the harbor square and often produce the illusion of being a strange man, but also to Chen Bohan for help. But why only some people can produce hallucinations? With this question, Chen Bohan found that everyone has a heart, how to solve the demons is the crux of the problem, while Chen Bohan and Liu Xinyuan have his own demons about his father's death. In order to help Xin Yuan, Chen Bohan once again to the Harbour Plaza to confront their demons.