When the Doctor, Bill, and Nardole stumbled across a lost and
powerless cargo ship in the middle of space, they realized that the
situation on board was worse than they ever could have imagined!
Transporting over five-hundred Heavenly Hosts, the crew were
disappearing, and the ship’s systems were failing… Could the Hosts
have malfunctioned once more… or is there something even more
sinister lurking on the ship?