Mozambique was a country in Africa.
During the 19th century, the country was ruled by Portugal, and was known as Portuguese Mozambique or Portuguese East Africa. Lourenço Marques was a city in the colony. (PROSE: Players [+]Terrance Dicks, BBC Past Doctor Adventures (BBC Books, 1999).)
Married friends of Sebastian Malvern had been on holiday in Mozambique over Christmas when they died in a car crash. After the death of the couple, Sebastian Malvern took care of the three teenage children that the couple had been fostering.
However, this was a cover story to explain his taking the mentally damaged Joe Hambidge, Ashley Moby and Janine Gilbert into his care. (PROSE: Instruments of Darkness)