The File of Young Kindaichi Returns S01 E16 “Murder at 10,000 Meters, File 2”

Hajime and Akechi team up to expose Captain Shida's killer... or is that killers?! Whatever the case, it leads to a situation where the plane itself (including the hundreds of passengers inside) is put in a perilous position and only one person has a shot of saving them all... but it's not Hajime!