Detective Conan: The Private Eyes' Requiem is an anime film that premiered in spring 2006, produced by TMS Entertainment.

About the production: the story comes from an original script, the film runs about 111 minutes and its current status is "finished".

Its main genres are mystery, with themes such as Crossover, Detective, Shounen and Age Regression.

On AniList, Detective Conan: The Private Eyes' Requiem has an average score of 78%, a very good score, and appears on 12,174 users' lists.

After receiving a strange invitation, Kogorou Mouri pays a visit to the Miracle Land theme park along with his daughter Ran, Conan Edogawa, and the Detective Boys. Once there, Kogorou and Conan are tasked with finishing an unsolved case by a mysterious stranger. Realizing that the invitations were actually an elaborate trap, the two have just 12 hours to solve the case or face grave danger. With the help of familiar faces like Heiji Hattori, Kaitou Kid, and even Saguru Hakuba, the group of detectives must unravel the web of clues surrounding the case in order to find the culprit and bring them to justice before it's too late. (Source: MAL Rewrite)

Official synopsis from AniList.