Lachy has a new invention! It is a rose that if sniffed, could turn you into a superhero. As he shows his invention to Simon, Anthony and Emma overhear and take the rose to try. However, Simon and Lachy become worried when Lachy reveals he has not tested the rose. Later, Emma and Anthony come back into the house, but they have shrunken to the size of kids! Emma says that Simon is so tall, but Simon points out that actually, Emma and Anthony are so small!