Build a movie plot around this: What happens to the entrance after the volcano explodes? A rockfall
The answer to this question is:
In 1882, Irish dream chaser Patrick "Patsy" O'Brien (Arthur Sinclair) and his daughter Kathy (Anna Lee) have failed to strike it rich in the diamond mines of Kimberley, South Africa. They persuade a reluctant Allan Quartermain (Sir Cedric Hardwicke) to give them a lift to the coast in his wagon.Along the way, they encounter another wagon carrying two men in bad shape. Umbopa (Paul Robeson) recovers, but Silvestra (Arthur Goullet) dies after boasting to Quartermain that he has found the way to the fabled mines of Solomon. Patsy finds the dead man's map. He sneaks off during the night, unwilling to risk his daughter's life. Kathy is unable to persuade Quatermain to follow him. Instead, they rendezvous with Quartermain's new clients, Sir Henry Curtis (John Loder) and retired navy Commander Good (Roland Young), out for a bit of big game hunting.Kathy steals Quartermain's wagon to go after her father. When they catch up with her, she refuses to go back with them, so they and Umbopa accompany her across the desert and over the mountains, as shown on the map. During the arduous trek, Curtis and Kathy fall in love. On the other side of the mountains, they are surrounded by unfriendly natives and taken to the kraal of their chief, Twala (Robert Adams), to be questioned. Twala takes them to see the entrance of the mines, guarded by the feared witch doctor Gagool (an uncredited Sydney Fairbrother).That night, Umbopa reveals that he is the son of the former chief, who was treacherously killed by the usurper Twala. He meets with dissidents, led by Infadoos (Ecce Homo Toto), who are fed up with Twala's cruel reign. Together, they plot an uprising for the next day, during the ceremony of the "smelling out of the evildoers". However, Umbopa needs Quartermain to come up with something that will counter (in the natives' minds) the magic of Gagool.During the rite, Gagool chooses several natives, who are killed on the spot. Recalling making a bet on last year's Derby Day, Good notices in his diary that there will be a total...