Boardwalk Empire (2010 Tv Series) - Season 3 - Episode 9

In the 12-episode third season, Nucky faces a direct existential threat from the volatile, psychotic Sicilian mobster Gyp Rosetti, who blocks crucial shipping routes between Atlantic City and New York. The resulting brutal gang war forces a reclusive Nucky into hiding, relying on Al Capone and a ragtag army to reclaim Babylon, while Margaret grows increasingly distant.