The story takes place in an old-style apartment. The landlord (Simon Yam) posted a notice for rent and rented out 6 rooms in the apartment at a very low price. However, there is no such thing as picking up a bargain for free. The tenants attracted by the low price want to live here, and naturally they have to pay something other than money. The sports teacher Lao Zhang (Zhuang Kaixun) who smiles all day long, the playful and lazy college student Bo Yan (Hou Yanxi), the single father Mr. Wang (You Anshun) with his daughter who is in the fourth grade, Miss Chen (Li Xing) with an angelic appearance and a devilish figure, the homosexual lovers Linghu (Sen Jun) and Guo Li (Li Kangsheng), and the mysterious beauty Yingru (Shao Yuwei). Soon, all 6 rooms welcomed their tenants. What awaited these people, in addition to a brand new life, was the pinhole camera arranged by the landlord for them.