Shirley is taking a bath, and her mother is busy tidying up the bathroom while reminding her that it is time to get out of the tub. But Shirley is not listening to her mother at all. While the water splashes around her, Shirley has magically floated completely away to a secret, watery kingdom hidden just beyond the plughole. In her incredible imaginary world, she is embarking on a thrilling journey. She meets brave knights riding on brilliant white horses and sees powerful kings and queens floating in moats around grand, ancient castles. Her mother thinks Shirley is just playing with her bath toys, completely unaware of the spectacular royal adventure happening right there in the bathtub. Dive right in and see the amazing things Shirley discovers while simply taking a bath.