The San Demetrio of the title is a British merchant ship in an Atlantic convoy in 1940. Disabled and left to the mercy of patrolling U-boats the crew must keep her afloat and out of harms way.

A number of leading Western scientists have been kidnapped only to reappear a fews days later. Unfortunately, each scientist has been brainwashed and is now completely useless. The British send their agent, Harry Palmer, to investigate. Palmer is surprised to be selected for such a mission (considering his past) and believes he has been chosen because he is expendable.

There is a legend about a great bell, called "The Mother of Voices," made of pure gold, three times the size of a man, made by monks many years ago... This is the story told in the marketplace by a Viking called Rolfe. This information finds its way to the Islamic ruler Aly Manush, who is obsessed with finding the bell. But Rolfe claims not to know where the bell is, and escapes, back to his homeland, to convince his father and brother to give him a ship and crew to replace the one he lost - or to help him steal the Death Ship which belongs to the king - because he does know where the bell is...

The Bounty leaves Portsmouth in 1787. Its destination: to sail to Tahiti and load bread-fruit. Captain Bligh will do anything to get there as fast as possible, using any means to keep up a strict discipline. When they arrive at Tahiti, it is like a paradise for the crew, something completely different than the living hell aboard the ship. On the way back to England, officer Fletcher Christian becomes the leader of a mutiny.

Based on a true story. The name of the real ship, that sunk Feb 5 1941 - during WWII - was S/S Politician. Having left Liverpool two days earlier, heading for Jamaica, it sank outside Eriskay, The Outer Hebrides, Scotland, in bad weather, containing 250,000 bottles of whisky. The locals gathered as many bottles as they could, before the proper authorities arrived, and even today, bottles are found in the sand or in the sea every other year.

Sherlock Holmes has retired. But when MacDonald asks him to take on another case, he says yes. There has been some mysterious murders...