While he continues to recuperate in Roper’s villa, Pine starts to dig up secrets about the other members of the household. Meanwhile, Burr and Steadman seize on an opportunity to recruit a new asset.

Roper welcomes Pine into his inner circle, leaving Corky out in the cold. Meanwhile, Burr has concerns for the safety of her source, when she suspects key information has been leaked to the River House.

A suspicious Roper gathers his entourage around him in an attempt to root out the traitor, forcing Pine to play a dangerous game. In London, Burr and Steadman face mounting opposition from Whitehall.