Great Guy is a 1936 American crime film noir directed by John G. Blystone and starring James Cagney. In the film, an honest inspector for the New York Department of Weights and Measures takes on corrupt merchants and politicians.
After the Chief Deputy of the Department of Weights and Measures is nearly killed in a car accident engineered by corrupt politician Marty Cavanaugh, he enlists ex-boxer Johnny Cave (Cagney) to take over his position. As the new leader, Johnny reiterates to his team the importance of their department and warns them that corruption is an ongoing hazard.
Johnny then goes out into the field with his naive partner, Patrick James “Aloysius” Haley, investigating merchants who are accused of using faulty measures and cheating the public. He ends up fining a market for adding lead weights to stewing chickens and fining a gas station for routinely shortchanging its customers. In each case, the merchants try to bribe Johnny in exchange for ignoring their corrupt practices, but he adamantly refuses. Meanwhile, Johnny’s fiancee, Janet Henry, criticizes him for being constantly hardheaded in his indefatigable pursuit of fighting corruption. Continue on Wiki