Diary ble utgitt 26. oktober 2006.

Diary ble regissert av Oxide Pang.

Diary har en spilletid på 85m.

Diary ble produsert av Cheung Hong-Tat, Alvin Lam, Danny Pang.

Winnie Leung is a lonely woman that likes to make puppets and write her diary, and she misses her boy-friend Seth Lau, who left her after breaking up their relationship. Winnie leaves messages in his mail box and unsuccessfully tries to contact him in his job. When she meets Ray Fan, she tells him that his resemblance with Seth is amazing. Ray moves to her place and when Winnie's next door snoopy neighbors calls the police because of the smell in her apartment, a dark secret is disclosed in her diary.

Hovedpersonene i Diary er Leung Wing-na (Charlene Choi), Yee (Isabella Leong Lok-Sze), Wai-ha (Ray) (Yue Man-lok).

Diary har aldersgrensen R.

Diary er en Drama, Horror, Mystery-film.

Diary har en publikumsvurdering på 6 av 10.

Diary hadde et budsjett på 2,6 mill. USD.

Diary har tjent 750k USD på kino.