With some knowledge of his past life apparently restored, Jack is determined to put right his misdeeds as a Time Agent – in particular, stopping his past self from erasing the criminal Zloy Volk from the timeline, using an Eradicator gun. But... Zloy Volk is very much alive. How?! Even worse, in the process of stopping his past self from erasing Volk all over again, Jack was seemingly erased. The Doctor, Rose, and Tara are on the scene...

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