The escalating power struggle between the Daleks and the Mechanoids for control of Mechanus.

The Daleks, having lost track of the TARDIS crew in the cave, deploy their perceptors to confirm their escape. Dalek 1 orders a seismic detector test to penetrate the cave …

The Mechanoids, initially ineffective against the Daleks with their flame-based attacks, shift tactics by leveraging their numerical superiority. As the Daleks issue extermination orders and attempt to assert dominance, the …