Sheng Yuan

Based on real cases, it adopts a documentary style and uses unit cases to connect the plot. The entire film closely follows the perspective of voiceprint technology to solve crimes. By peeling off the voice clues, the unit mystery is solved, key information is mined, and the hidden truth is revealed. The film's fast-paced narrative and detailed presentation highlight the unique charm of voiceprints in solving crimes. It not only shows the police's persistence in justice, but also integrates the fate of the characters into the case, allowing the audience to immerse themselves in the world of sound and feel the intertwining of suspense and fate.