Netflix Starts Filming The Whisper of Fire, a New Four-Part Mystery From The Snow Girl Author Javier Castillo
A young astrophysicist is found dead in Teide National Park. Her twin brother, already fighting a serious illness, begins looking for answers while a Civil Guard sergeant launches a separate investigation. Netflix confirmed on October 21, 2026, that filming is underway on The Whisper of Fire, a four-episode limited series based on Javier Castillo's novel. It marks the streamer's fourth adaptation of a book by the Spanish thriller writer.