Sherlock Holmes in Pursuit To Algiers
Pursuit to Algiers (1945) begins as Holmes and Watson learn that the  King of a Ravenia has been assassinated and his son Nikolas is now a marked man.  The  great detective and his comrade are pressed into service to protect the life of the soon-to- be crowned monarch. The detective and the good doctor take to the sea in order to  safeguard the young heir on his journey from London back to his homeland and throne.   The soon-to-be king poses as Dr. Watson's nephew while a number of the SS Friesland's  passengers appear eccentric, suspicious and downright sinister.  The ship makes an  unexpected stop in Lisbon and Holmes is presented with yet three more mysterious  passengers.