Owen and Nuck uncover a petty whiskey thief who steals from everyone including Masseria, but are forced to hide out in his cellar to save their lives. Capone, who works for Torrio on Chicago's South Side, intensifies his feud with florist/gangster Dean O'Banion. Because the sideroads are almost impassable because of the severe winter conditions and makes a fateful decision to challenge to try to bring his convoy of liquor to Rothstein by challenging Gyp's Tabor Heights roadblock.