Kip. 86: The Mysterious Nocturnal Mask

86

Nightlight Mask murdered the Duke of Le Mond and stole his diamonds. ICPO is having trouble solving the case, so they induct mystery author Conan Dorill as a special inspector. Dorill deduces that the true identity of Nightlight Mask is Lupin. Learning that Count Johannes is his next target, he and Zenigata lie in wait at the Johannes Mansion, where a costume ball is taking place... (Source: Crunchyroll)