In a remote section of Siam, near the Burmese border, lies a desolate, volcanic land which has for centuries been taboo to white men - The Valley of Tombs! To this realm of mystery, jealously guarded by native tribes unconquered since the dawn of time, has come the Malcolm Archaeological Expedition to find the lost secret of the Scorpion Dynasty.

Rahman Bar attacks the camp of the Malcolm Expedition in reprisal for the theft of the Golden Scorpion.

The Scorpion captures Carlyle and demands his lens as ransom for his life.

The Scorpion sends his men to Oak Mountain Lodge for Carlyle's lens.

The Scorpion traps Billy Batson in Chan Lal's curio store.

Captain Marvel unmasks The Scorpion and finds a loud speaker concealed in a dummy.

The Scorpion tricks Bentley and Fisher into revealing the hiding place of their lenses.

Barnett holds Betty and Billy Batson in a shack at the bombing range.

Doctor Lang tries to take Billy to a place of safety in his car.

Captain Marvel tries to warn Betty of a death trap at Lang's home.

Malcolm is shipwrecked on a reef off the coast of Siam.

Billy Batson refuses to enter the tomb to get Doctor Lang's lens.