 Harvey convinces John there's no way he can save Earth without the help of the Peacekeepers, and he's about to concede and talk to them, when Chiana talks him out of it.He begins thinking, and each of the crew suggests to him a way to unblock his mind so he can come up with a plan.Ultimately, John formulates a way to collapse a wormhole, the downside of which is that he will have lost his route to Earth.