 Lister determines that it really happened and not a hallucination as he assumed, and that they should investigate where the leak was found, after Holly (Norman Lovett) can't give any information on the subject.The group traces the stasis leak and find it is a passageway to the past, to around three weeks before the Cadmium 2 accident that wiped out the crew.Discovering that the stasis leak prevents anything from the past being brought to the present, Lister and Rimmer each decide to use it still to make their future's better.