Daniel abruptly announces that the family will move to Fifth Avenue and that he will run for sheriff on the Tammany Hall ticket. His decision contradicts everything he has said about political corruption, and Molly suspects that he has entered the campaign for reasons he cannot safely explain.
As wealthy supporters and party operatives draw the Sullivans into their world, Molly investigates the bargains behind Daniel’s candidacy. A death linked to the campaign reveals that the political arrangement conceals a more dangerous scheme.