Shipley Manor is ready to set sail but how will Polly & Tom fare on her maiden voyage? Harry Hopper Hawkins has set them off on a special mission but its hard work helping the world Get the Fizzle. What with interfering billionaires icebergs in the Caribbean flying alligators & armies of child-slaves things are getting pretty tricky. To top it off their old adversary Venetia Pike is back this time with even darker & more twisted ideas. Can Tom figure out her plot in order to save him & Polly & the very future of the Fizzle itself?