[2] It was shot at Shepperton Studios with sets designed by the art director Duncan Sutherland.

Explorer Tony Cooper and homesick trader Norton find a skeleton in the African jungle with a package intended to be delivered to Victor Wilkins in London.

Cooper takes it there and it proves to be from Wilkins' brother - the skeleton was his - with a map showing where he left £100,000 in diamonds for Victor.

On arrival in Africa, they're challenged by three men - Redfern, Collins and Quincey - who claim to have the mineral rights to all gems found in the area, and by Norton, who also wants a share.

But Norton is stabbed to death and Trevor fatally wounded: suspicion falls on Cooper, who's in love with Carol.