Case Closed: Countdown to Heaven

Case Closed Countdown to Heaven, known as Detective Conan Countdown to Heaven , Meitantei Conan Tengoku no Kauntodaun? in Japan, is a 2001 Japanese animated feature film based on the Case Closed manga series, featuring detective Shinichi Kudo, also known as Conan Edogawa. It made 2.9 billion yen.

At the viewing, Yoshiaki Hara and Tokiwa Mio are murdered, after Ohki Iwamatsu, a builder of the skyscrapers, was killed in his apartment. Sake cups left at each murder scene links the three together in a serial murder case.Before the murderers identity is revealed, the bombs planted by the Black Organization detonate, setting the building ablaze. Sonoko, Conan and Ran evacuate in a glass elevator when it stops. Conan realizes that with her new perm, Sonoko looks like Shiho Miyano from behind. Conan distracts Sonoko, making her turn around, saving her from being shot by Gin, who thought she was Shiho. ........

Source: Wikipedia