Humans born with only one ear, a pair of eyes, to see to see, very limited. Don't trust between people based on closed-circuit television system, commonly known as the "eye in the sky" and thus was born, in place of human every hour and moment, boundless surveillance. In the course of time, people on the heart more doubtful of eye, believe firmly, but never thought, on the human eye the most loyal, between the person and the person that the rest few trust to trample. When you think that eye the most trusted, to the final but for the eye in the sky. When will you lost. Honest eye "wronged" good police a year ago, Situ Shun (Kevin Cheng decoration) is a senior inspector of police homicide in. He believes that the key to solve the case, often hidden in those who can get the facts presented among the faithful eye. So, Situ Shun often conduct will detailed study and read no CCTV footage of the traces left, everything possible to find out. Because of his presence, superintendent Qi Lingyi (Li Biqi decorated) team to become the fastest solving efficiency highest team. One day, Situ Shun got a call from a confidante of Zhou Jingwen (Liang Chengshi) calls, plus colleagues Huang Yaqing (Lin Xiawei decorated) evidence, and a not lie CCTV footage of the Stuart, Shun is relevant to the arson and the drug trade. CCTV footage, visible arsonists appearance and shoes wear, with exactly the same characteristics on the body of Situ Shun, Stuart Shun intuitive to think that someone deliberately set up. Even if the final clarification of the case has nothing to do with him, Situ Shun still arent, decided to leave the police force, determined to track down the truth of the matter, and find that oneself is about as arson suspect "that he". Change security meet friends in retired superintendent friends introduced, Stuart Shun to a service apartment building "Yi Xuan" as security manager. Situ Shun got Yi Mingxuan the founder Jiang Huihai (Liu Jiang decorated) recognition and trust, give the greatest authority, after he took office, that is, carry out with drive and sweep to rectify the security measures, and make other security Voices of discontent. The colleague, Fan Fei (Zhang Yingkang decorated) more that he is made by their own fire of the enemy. A year later, Yi Xuan hired a number of security, Zheng Lihang (Chen Zhanpeng decoration) is one of them. Life force for extensive knowledge, deep guest trust, including a trouble guest, writer Guo Kaiyao (Xie Xuexin decoration), to never look down upon others Situ Shun, also with special respect to him, gradually become friends. Stuart shun from time to time with the force for home, let the orphanage was born force for feel the warmth of a family. Private detective evoked complex relationship a Stuart Shun met a female passer-by in the street Wu Zhenni (Yang Yishi), was suddenly she gave a slap in the face, Stuart Shun think of at this time, Jeanne may know the arsonist, and tried to find the whereabouts of the strange woman. Stuart Shun finally found Jeanne, originally Jeanne is a private detective, in the blue Ling (Samantha Ko decorated) to open the work of female private detective agency. Situ Shun and Jeanne together, force for investigation of arson, arson "to find the people". During the period, Situ Shun discovers that Jeanne has extraordinary memory, so she started training, and the relationship between two people is gradually ambiguous. Meanwhile, Jeanne and force for a feeling of deja vu, effective for. Power line seemed to understand Situ Shun's psychological, often give Jeanne and Stuart Shun along some opinions, and force also has a complex feeling of Jeanne. The thief escape the battle soldiers and then become enemies with each other suddenly occurred frequently strange, Stuart Shun by reason of Philippines gangsters, which force for revealed beyond general security can can, make Situ Shun began to suspect that the force of the line of identity. He found the force line and photographer Dai Fulong (Hong Yongcheng decorated) deliberately conceal the relationship, speculated that the force into the line of Yi Xuan as security is another purpose. Power line has to feel threatened, Yongji forced Situ Shun to leave the Yi xuan. Stuart Shunsui initiative to police proposed reinstated, make this friend suddenly put on a soldier thief showdown. At this time, the hearts of contradictory Jeanne resolutely to force for the proposed split force for identification, Stuart Shun took his lover, the heart of the resentment upgrade again. Force for decided to take advantage of the Stuart Shun most believe eye, change people life.