Four young children find a hidden cave that houses a space/time warp. The four embark on a series of adventures, taking them back through time and space. They make three separate visits to the cave and have three distinctly different adventures. They become trapped in a Saturn V rocket on a journey into space. They also help to search for a prehistoric child who is in grave danger. Then finally, they try to save Queen Cleopatra from kidnappers in ancient Egypt.

Steed and Dr Keel return to action in these four recreations of classic lost episodes.Hot SnowWhen an incomprehensible tragedy strikes on what should have been the happiest day of David Keel's life, he is left traumatised. Confronted with an apparently motiveless crime, he feels compelled to investigate and is drawn into London's seedy underworld of drug smuggling. As he digs deeper and deeper, his only hope may be a mysterious gentleman who appears to know mor...