 Complete the following phrase:  Hanuman regains consciousness, then he and Lin Tang go underground to a secret base under the River Thames. There, Lin Tang informs her father that his nemesis Nayland Smith has gotten involved in their plans. Lin Tang informs Fu Manchu that their prisoner Professor Muller has refused to divulge how to extract the poisonous essence from the Blackhill poppy seeds. To coerce Professor Muller, Fu Manchu has his henchmen kidnap the professors daughter Maria. After both prisoners are forced to watch one of Fu Manchus henchwoman drown as the henchwomans punishment for trying to free Professor Muller, Professor Muller then reveals that documents detailing the properties of the Blackhill poppy were given to Professor Gaskel by the Grand Lama. The documents were given during the 