Fatal Harmony (2025) is a Horror, Thriller film that follows fatal Harmony is a stylish descent into obsession, ambition, and the deadly cost of a comeback. The film follows once-famous pop star Lena as she retreats to a remote cabin with her manager to write her next big hit. But between the snowy isolation, and a growing sense of paranoia, Lena’s writers block quickly becomes the least of her worries. Fatal Harmony is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of horror movies may also want to explore similar titles below.