The Doctor and Amy help the SS Lucy Gray to return home to Earth, unravelling a Cyber Plot and preventing the Daleks from retrieving a lost Time Axis along the way.

The Doctor and Amy arrive on a human colony ship returning to Earth after it was rendered uninhabitable by solar flares.

Without provocation they are attacked by the ship’s maintenance robots and become separated in the struggle.

The Doctor is eventually led to the ship’s Head Quarters, where he discovers a Cyber Leader has connected himself to the ships AI and is blackmailing it into doing his bidding, or else he’ll kill the crew.

Meanwhile the Cybermen that were hiding in the ship ambush Amy and chase her out into space.

Guide the Doctor and Amy as they face their biggest adventure yet!