John Blackthorne, referred to as "Anjin" (Pilot), finds himself a prisoner in a world he does not understand. In "Servants of Two Masters," his value shifts from a mere curiosity to a strategic weapon.
He reveals the existence of the Treaty of Tordesillas, proving to Toranaga that the Portuguese have secret designs on Japan.
Toranaga uses Blackthorne’s arrival to disrupt the unity of the Regents.
