When Eliza Boom's best friend (well, dog), Einstein, falls in love with the next-door neighbour's pooch, Nancy, Eliza quickly discovers this tale of puppy love isn't all it seems ...Junior spy/inventor extraordinaire, Eliza Boom, is back with a BLAST (well, more of a FIZZ actually), as she finds herself on a fizz-tastic adventure to reveal the truth about her suspicious next-door neighbour, Mary Spoon, who spies on the Booms from her mysterious, humming, 'fizz-buzzing' house. Will Eliza's inventing super-skills have enough fizz to save the day without bubbling overboard and blowing the whole thing