When Mr Wiggley runs out of ideas for his Chrysalist - a list of fun things to do before he becomes a butterfly - Lloyd is happy to help and join in with putting it together, but he starts to suspect that Mr Wiggley is once again putting off pupating.

Lloyd thinks he's developed a very vocal conscience after accidentally swallowing a dust mite named Alvi - Alvi likes being in Lloyd, and so as Lloyd's 'conscience' convinces him to do good deeds, Lloyd does not suspect the truth...