In a world that is crawling with vermin, crimes commited by ordinary people happen everyday. Food mislabelling, high school girls’ compensated dating, businesses that exploit employees, one man will take them on despite the high frequency, Asakura Sohei of the National Police Agency Special Defense Bureau, also known as S.D.B . S.D.B’s goal is eliminate crimes that would usually go unchecked. Watch drama online for free.