On the day eleven year old Imelda Stone discovers the reason she has always felt different from other children, her beloved father storms out of their home in the middle of the night. Days pass and when the Police are called a body is not located, nevertheless Edward Stone is presumed dead. But Imelda knows he is very much alive. One night she hears a voice calling to her from the old dry well at the bottom of the garden and all of her hopes and fears are realised at once. An enemy older than time has waited to unleash his master plan. His intention to kill his old foe Edward Stone and wreak havoc on Earth, but he hasn't counted on a gifted ten year old standing in his way. In a breathtaking series of events, Imelda seeks out her missing father, faces up to a ruthless killer and in a pulsating finale enters an alien world to rescue her fatally wounded father and save the human race from certain destruction.