Season 4 opens with Eliza having taken over the business ofNash & Sons (not that he has any sons) and things are notgoing entirely smoothly, although help comes from somefamiliar sources. Outside of work, her relationship withWilliam (The Duke) builds towards a looming decision that willshape both their lives.In fact, Eliza teams up with Duke toinvestigate a burglary in a high-end brothel whose clientsinclude important members of the British government.
