An expediition brings back an Egyptian coffin with a mummified queen to London and when opened the wife of one of the researchers gives birth. The baby grows up into a woman (Valerie Leon) who becomes to realise she is possed with the spirit of the dead queen. Whilst not the best of the Hammer horror films, the film revolves around the performance of Valerie Leon and the less than subtle display of her ample cleavage.