Between Worlds - Grace and Commander James begin to realise the nature of the HeavenField, and that they are powerless to defend against incursions from it. Alex and his companions are back at the Maunsworth Base, shifting between reality and the Field. But the visions threaten to overwhelm him and Alex's mind is close to breaking. Krisz somehow manages to calm him, and they head off down into the underground levels, searching for their targets...