Unlocketing the Past: Part 2.With little options, Penelope sacrifices herself and ends up turned into a frozen miniature figure, while Polly, Lila, Shani and Nicholas head into the tunnels leading to both Prudence's lair and the caves where she first found the Pockite ages ago. However, the Grandes send Gwen's new pet rat to go after them, only for it to be defeated by Prudence's series of tests and booby traps which Shani helps the group to solve...