 Set in the Bronx in the early 1980s, Chris Potamitis (Hemsworth) fails to get into the police academy and applies for a job as a security guard with the Sentry Armored Car Company.While working as a night watchman, Chris notices the company's lax security and makes the mistake of mentioning his observations to his best friend Eddie (Angarano), and he is soon convinced to be the inside man in a scheme to rob the company of the currency being warehoused there – resulting in the theft of $11 million cash on December 12, 1982, making it the single largest cash robbery in U.S. history, exceeding the Lufthansa robbery in December 1978 of $5.8 million in cash and jewelry.James Ransone (Johnson) is a veteran detective in the New York Police Department who decides that, in spite of the FBI's recommendations, there is something about the night watchman that is setting off his "cop instincts", leading him to more closely investigate Chris and his friend.