The Severians (S04E03)

Gretta faces a challenge when Militsa, a princess from the Severians, approaches her with the goal of liberating her people from the Rogemorians’ control. Gretta turns down Militsa’s plea, citing tradition as her reason. However, when Militsa takes a Severian relic from Gretta's home, Gretta teams up with Dwight and Baldric to track down the Severians and uncover the truth behind the conflict.