Catherine aims to unite France under King Charles IX, pushing her agenda of a secular state; the Bourbons present an ambitious trade deal with Protestant England; as tensions rise on the Privy Council, the Guise's plan to reignite religious conflict.
               
              
                Casts: 
                Samantha Morton, Liv Hill, Amrita Acharia, Barry Atsma, Enzo Cilenti, Sennia Nanua, Kiruna Stamell, Nicholas Burns, Beth Goddard, Raza Jaffrey, Danny Kirrane, Ray Panthaki