Tell Me Something (1999) on Netflix

Plot summary

Detective Cho comes back to work after his mother's death and while an internal investigation examines money he is accused of taking to pay for her medical care. He is put in charge of a case in which sections of three severed bodies, mismatched and mixed together, turn up in cars and in bags abandoned around Seoul. Once the dead men are identified, the inquiry leads to Chae Su-yeon, an artist who lives with her friend Oh Seung-min and had been involved with each of them. Cho's team keeps Su-yeon under protection while they follow the leads she gives them.