Recommend a suspense movie "sin house" to you. It is about a detective coming to investigate the cause of death of a female worker in their factory. According to the inspector's investigation, it is found that in fact, each of them is a murderer, and none of them is a murderer. The plot of reversal is not too brain burning. The female owner is in a bad fate and will be a little depressed after watching it. About this detective, I think he's God .