Sarah Jane Smith's internal conflict between personal loyalty to the Doctor and the immediate survival needs of the Exxilon people, particularly in her alliance decisions.

Sarah Jane Smith encounters Bellal, an Exxilon who warns of the city-worshippers' growing power and urges her to flee. When Daleks block their escape, Sarah faces a choice between the …

Sarah Jane Smith encounters Bellal, an outcast Exxilon, who warns her of the city-worshipping majority and offers safe refuge. Before they can leave, the approach of Dalek pursuers forces them …