Switzerland / Jun 17, 2025
言为心声 — words are the voice of the heart
Overall average
5.0/10
Trailer

Videos
Plot
But where does the heart go when that voice is displaced from a body that still breathes? In a world where artificial intelligence accelerates and replicates the human form, the boundary between spirit and simulation begins to dissolve. Time, life, and voice become commodities. 40 Epochs is a hybrid-narrative film exploring spiritual displacement, fractured identity, and the unseen labor behind human-like technologies. Inspired by the artists' experience training an AI model to reproduce Sun’s voice, the film follows a donor in solitude as she reads, records, and revises. What begins as ritual becomes rupture, as intimate gestures entwine with the demands of machinic repetition. Narration is carried by the artifact at its core: a synthetic voice generated from Sun’s speech. Disembodied from its origin, it speaks in her place—an uncanny meditation on memory, embodiment, and the estrangement of being heard without being present.
Main cast
Technical details
| Detail | Value |
|---|---|
| Original title | 40 Epochs |
| Original language | EN |
| Production countries | South Korea, China, United States of America |
| Status | Released |
| Release date | 17 giugno 2025 |
| Production | Tianyi Sun, Fiel Guhit, Siyun Peng, Wuliang Zhang, Yining Gu |
| Writer | Fiel Guhit, Tianyi Sun |
| Editing | Tianyi Sun, Fiel Guhit, Anderson Matthew |
| Cinematography | Lei Yu, Lei Yu, Yingbin Dong, Fan Wang, Xianfan Zhu, Zhi Guo, Dian Yi |
| Assistant directors | Hejia Tian, Fiel Guhit, Tianyi Sun, Shuyue Su |
| Lighting | Zhanbiao Shan, Zixiao Liu, Weibo Xiu, Zhen Zhang |
| Camera operators | Lei Yu, Lei Yu, Yingbin Dong, Fan Wang, Xianfan Zhu, Zhi Guo, Dian Yi |
| Additional photography | Lei Yu, Lei Yu, Yingbin Dong, Fan Wang, Xianfan Zhu, Zhi Guo, Dian Yi |
| Production design | Tianyi Sun, Fiel Guhit, Jiazhen Luo, Yichen Ji, Yuxin Zhang |
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| Art direction | Jiazhen Luo, Yichen Ji, Yuxin Zhang |
| Set decoration | Jiazhen Luo, Yichen Ji, Yuxin Zhang |
| Music | Fiel Guhit, Bin Lin, Shiwen Zhu, Haoran Li |
| Sound | Fiel Guhit, Bin Lin, Shiwen Zhu, Haoran Li |
| Costume design | Siyun Peng |
| Makeup | Siyun Peng |
| Hairstyling | Siyun Peng |
| Budget | 25.000 € |
Release dates
Premiere
Physical media
China / Jun 18, 2025
South Korea / Jun 18, 2025
Austria / Sep 04, 2025
Singapore / Jan 23, 2026
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