반석은 두 청소기의 흡입력 테스트를 제안한다.
고 센터장은 테스트 결과에 책임을 지라며 반석을 압박하고, 자영은 불안하기만 한데…
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.
