Conan Edogawa, the Detective Boys, and Professor Hiroshi Agasa decide to visit the Nishitamashi Twin Towers. There they run into Ran Mouri; her closest friend, Sonoko Suzuki, and Ran's father, the famous Kogorou Mouri. Learning the trio are attending the towers' grand opening, Conan and company tag along for a private tour of its floors.However, as preparations are finalized for the opening ceremony, their visit take...