A Violent Prosecutor is a 2016 South Korean crime comedy film directed by Lee Il-hyung, produced by Guk Su Ran and starring Hwang Jung-min and Gang Dong-won.

Five years later, Byun Jae-Wook meets young fraudster Chi-Won (Gang Dong-won), in prison.

The man admitted that the suspect indeed had asthma and had to have an inhaler with him all the time, unbeknownst to him he was being recorded by Chi-won who sends the file back to Jae wook.

Jae wook prepares papers for his parole and sends the file along with the recording to the judge holding his case.

this information reaches the congressional candidate who was assistant general of the prosecutors office and does all means to shut the case down.

Jae-Wook is able to win his retrial due to a recording he obtained of Jong-Gil admitting he had possession of the inhaler.

Afterwards, we see that when Jae-Wook is released from prison, Chi-Won greets him with a bag of tofu, suggesting that they work together on a new item.