Meeting with the Black Organization Again (Haibara) Meitantei Conan : Season 1 Episode 176

On the way home from school, Conan and Haibara find Gin's Porsche 356 on the street and places a covert listening device in it. Conan hears that a Black Organization member codenamed Pisco is ordered to assassinate someone at a party hosted at Haido Hotel.