Donald Sinden

It is 1908 and Sir Antony Ross from London has co-ordinated a team of explorers to go looking for his missing son in the Arctic Circle. The group's expert is John Ivarson, a professor of Nordic history. On their voyage they stumble into uncharted land - a mysterious valley next to a huge volcano, which they discover is a lost Viking kingdom.

1960. A struggling couple (Donald Sinden and Peggy Cummins) realise that they have to be divorced to inherit a fortune.

Commander Ericson is made captain of the Corvette Compass Rose, a small escort vessel used to guide and protect convoys travelling through the Atlantic. Ericson must choose between destroying an enemy ship and sparing the lives of his own men.

Simon Sparrow begins medical school in London at St Swithin's Hospital, and moves into an apartment with roommates. A series of challenges and shenanigans takes place during their next five years at medical school.

After a fling with Eloise, adventurer Vic is hired by a British anthropologist to go on safari. His wife Linda is attracted to Vic and flirts with him. Her husband doesn't notice but Eloise is jealous. The sexual tension increases, and when a gorilla attacks the scientist Vic sees his chance to be rid of his rival.

Sadistic London gang leader Vic Dakin (Richard Burton) is a violent psychopath running a prosperous protection racket. Having never been arrested, DI Robert Matthews (Nigel Davenport) is watching his every move, determined to catch him in the act.