Kogoro, Ran, and Conan are invited by Kogoro's friend, Raita Banba, to attend his pre-wedding party. Banba's bride, Hatsune Kamon, leaves to have her nails done. Shortly after her return, she receives a phone call at the parking lot that shocks her. She calls Banba, bidding him farewell, and her car is engulfed by fire. The police arrive and their DNA test reveals a rough match of Banba's DNA found on Kamon's nails insinuating he as the murderer.