 Sarah Jane , having overheard the girls making plans , follows them to the factory and interviews Mrs Wormwood , and how she was able to get approval for the drink so fast , and why the Bane , an ingredient unique to the drink , was " resisting " analysis , to which she is told that all that Bubble Shock ! is doing is satisfying the needs of the Western world . On Sarah Jane 's way out , she is almost killed by Wormwood 's secretary . 
