Silk

In Taipei, a scientist traps a child's ghost to study its lingering energy; a lip-reading detective uncovers the boy's tragic murder, as obsession drives the research into madness.

Silk is a 2006 mystery horror movie directed by Chao-Bin Su, starring Chang Chen, Yôsuke Eguchi, Karena Ka-Yan Lam. It holds an IMDb rating of 6.4/10 from 3,653 votes and runs 1h 48m.