S4·E10 A Fist of Five

Chicago, 1929. Mike Brannon's been a cop for 15 years, but now he's being suspended for hospitalizing ""one of Tony Lamberto's dope-pushing punks."" Mike thinks Captain Bellows is corrupt for not going to bat for him. There is a tense moment when the Captain asks for Mike's gun-- Mike points it at him. But then, Mike turns the gun over and leaves.