Janey Brown just completed her first mission as Jane Blonde, Sensational Spylet. Now the kitty-knapping of her spy-cat, Trouble, launches her into another incredible investigation!

A group of crazed scientists believe they have discovered the secret to a cat's nine lives - but they need Trouble for their experiments. All the clues lead Janey down a manhole - defeating the enemy is going to be a wet and stinky business! But with chewing gum that lets her breathe underwater, a tracking device called a SPIpod and a high-speed mini-hoverboard - as well her natural code-cracking expertise - Jane Blonde is ready for action . . .