The prequel consists of a short montage of atmospheric shots of the pirate ship, bridged by a narration in the form of Captain Avery's journal for "April the first, 1699; the good ship Fancy." Avery describes how his ship has been becalmed for eight days, and the crew are being taken one by one by "an enemy"; he fears that they are all doomed to die there.

博士收到另一个时间领主的讯号，惊喜之下来到宇宙尽头。

谁知是个陷阱，这个尽头已经生成自己的意识，并专门以塔迪斯为食，博士还遇到一个奇怪的女人，宣称博士曾称她为性感女神，原来她就是塔迪斯。