The Third Eye.

Zhang Liang is a young man who does not engage into any proper work. His secret hobby is to play with all kinds of high-tech candid technology, especially the candid photographs. He falls madly in love with a young air-stewardess. Liang brings his full equipment all the way to stay in a vacation house. Secretly he installs pinhole video cameras in the stewardess's room as well as other tenants. Through these Liang disvovers people's secrets. He does not notice he will become the lead instead of a bystander...