Black Diamond' refuses to pay back a loan taken out by her dead father to support her people and her mine, so they murder her people and dynamite the mine. The dark forces of the Banker's Citadel ...

Blackmailed by the nefarious banker Wall-Enberg, Dr Busé and Sickan's partners Vanheden and Dynamite-Harry execute Sickan's plan of stealing the valuable Black Diamond of the Romanovs from the ...