On the Verge of Insanity Season 1 Episode 4

Ban Seok finds himself in a blackmail and sabotage scheme between Han Se Gwon, No Byung Guk, and Kang Min Goo, but it ends up backfiring on him. With his neck on the line, he thoroughly investigates to get to the bottom of things and proves his credibility. Meanwhile, Ja Young tries to figure out how to save two valuable members of the Motor Team from resigning.