The Doctor and his companions Steven Taylor and Dodo Chaplet arrive some ten million years into the future, on board a generation starship which is carrying the last of humanity away from an Earth that is about to fall into the Sun. However, the cold that Dodo has could prove devastating to these future humans and their servants, the Monoids.
William Lucas plays a lorry driver who is recently out of prison. He becomes a target when it s discovered that he knows where he can find plates for making forged banknotes.
An avaricious, ambitious fellow, desiring to hold the reins for a major auto company, must frame someone for murder before he can get what he wants. He chooses a reformed embezzler who works for the company.
An American is visiting Britain and finds himself in possession of a briefcase full of secret documents that the spies of many different countries seem determined to get.
Steve and Harry become involved in an art theft. Harry is framed by the crooks, and arrested by the police. Steve has to prove his brother's innocence.
Yankee charter pilot Morris inadvertently finds himself in the midst of thieves who have purloined a costly antique jade figure from an exhibit. He tracks the thieves to Battersea, where he rescues the fair Germaine from their unsavory clutches, and the Buddha boosters gain only jaded justice.
