The Beast 2019 A murder case takes place that shook the nation, veteran detective, Han Su, begins investigating the case and does whatever necessary to catch the culprit, along with his junior detective, Jong Chan In the midst of the ongoing investigation, the drug broker, Chun Bae, gives Han Su a definitive clue involving the murder case, in return for covering her relation to a murder Han Sus rival cop, Min Tae, smells something fishy, and the investigation starts to take a wrong turn