The existential threat posed by Mestor's Equations of Destruction and the abduction of children for his purposes

Edgeworth completes the mathematical framework that will power Mestor’s apocalyptic scheme, poised to transmit the equations that convert abstract theory into active destructive force. The twins, Romulus and Remus, challenge …

The Doctor confronts Edgeworth over the abduction of children to fuel sinister experiments, forcing the truth from his former mentor. Edgeworth reveals his moral compromise, admitting he will sacrifice anything …