Atlantic City at the dawn of Prohibition is a place where the rules don't apply. And the man who runs things -- legally and otherwise -- is the town's treasurer, Enoch "Nucky" Thompson, who is equal parts politician and gangster.
Main character, Nucky, cheats multiple times. In S3E5, his wife catches him and his affair partner together in a dress shop when he told her he’d be out of town.
Season 1 Ep 5: Nights in Ballygrand: The episode ends with an old Irish Folk song playing and a montage of things the characters are doing. After Angela is seen entering a store on the boardwalk, it cuts to a brief scene of Eli in his bathroom v* while his wife comforts him. About 10-15 seconds. Very Graphic.
Season 1 Ep 7: Home: In a scene at the Commodore’s House, the Commodore is speaking with his maid in his robe not feeling well, and the scene ends with him coughing and V*. Graphic.
Season 1 Ep 11: Paris Green: Jimmy is visiting the Commodore and excuses himself to go to the bathroom. As he is looking at himself in the mirror, he v*.
Season 2 is safe. (The v* word is used once by Jimmy at the end of the last episode, when he talks about the first time he killed someone).
Season 3: Episodes 1-8: safe Episode 9 “The Milkmaid’s Lot”: Unsafe, Audio and Visual, skip 38:00 -40:55. Spoiler: Nucky is getting ready for a big meeting and his concussion symptoms kick in. Eddie asks, Mr Thompson are you alright?” and he runs to the bathroom to v*. If you skip the scene: he finds Billie’s missing earring on the floor. Episodes 10-12: safe
Police officers, sheriffs, and federal agents are almost universally portrayed as hopelessly corrupt and/or incompetent - or so bigoted, brutal or manipulative in their enforcement of the law that they end up less sympathetic than the criminal protagonists.