Something has gone terribly wrong. Mel and his friends have been locked in Deep Trouble prison in the Mirrorscape, while their evil Mirrorshades—who look exactly like them—are free to cause havoc in Vlam. Luckily, their old friends Goldie and Pilfer—the invisible burglar—are on hand to help them break out and try to prove their innocence. But arson, forgery and theft are the least of what their doubles have been up to. They're involved in a plot that could destroy our heroes. The race to find the mysterious Mirrortree is on! Can the real Mel, Ludo and Wren defeat their enemies in time? The third funny, past-paced adventure in the fantastical world of the Mirrorscape.