That Hagen Girl (1947)

The hardened veteran detective Rena and bright-eyed rookie Sato take on a menial investigation. The job goes well until a thug named Dobu steals their evidence. Disheartened, they take a job looking into the life of a taxi driver named Odokawa in hopes of redeeming themselves. They wind up in the middle of a missing girl case, with gangsters, aspiring students, and surprises around every corner.