Brain Works Temporada 1 Episódio 14

Ha Ru decides to put his knowledge to use to prove Yi Nas innocence, and he does it so fluently. This brings Ha Ru and Myung Ses family a bit closer, at least thats what Myung Se believes. However, Ha Rus sole purpose of making Myung Se go through what he had to go through remains. At the same time, he stumbles upon crucial evidence that Myung Se has done something illegal.