
Alarm Notes
A pioneer in sound recording, Ludwig Koch was suspected by the Nazis of complicity in the Reichstag fire.After taking refuge in England, he specialized in recording birdsong.Blending contemporary imagery with his sound archives, the film retraces his journey.
Story overview
What It's About
Spoiler-free. Read the analysis below for the full argument.
A pioneer in sound recording, Ludwig Koch was suspected by the Nazis of complicity in the Reichstag fire. After taking refuge in England, he specialized in recording birdsong. Blending contemporary imagery with his sound archives, the film retraces his journey.
Where to watch
Streaming
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The numbers
Box Office & Release
- Budget
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- Opening weekend
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- Domestic gross
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- International gross
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- Worldwide gross
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- Release date
- Jul 9, 2025
- Runtime
- 2h 3m
- MPAA rating
- —
- Language
- English
- Country
- Germany, United Kingdom
Figures from the verified production record. Fields we cannot source are left blank rather than estimated.

