"Marked Man tells the propulsive story of Frank Serpico who, in the 1960s, single-handedly rooted out systematic corruption in the New York Police Department. Since the NYPD was formed in 1845, the famous "pad" was as much a criminal ring as it was a legitimate police force. As the decades wore on, corruption became so out of hand that cops were regularly demanding payments from brothels, bars, pool halls, and gambling joints to keep them out of trouble...