S1, E5: Park Kwang Tae, the president of Hwanghae Bank, goes missing. Soon after, his dead body is found in a horrifying state. Prosecutor Jeon Ji Hoo believes that it's a serial murder case, but Cha Don doesn't agree. Ji Hoo is enraged when she finds out that Cha Don went on Ko Ho's TV show. What turned out to be a reckless move tricks the culprit, and Cha Don and the culprit run into each other in the way the culprit didn't expect.