(He starts to move off.) (She points the way of the Tractators.) (Turlough nods.) It's more like deep ancestral memory. The Doctor gradually puts his head up to see, but is immediately captured by the force emitted by the Tractator. What then!?
Plan: A: Turlough; Q: Who starts to regain ancestral memories of the Tractators? A: the Doctor; Q: Who discovers the Tractators? Summary: Turlough starts to regain ancestral memories of the Tractators, the Doctor having discovered the Tractators works to discover what their plan is.