For years, the king and queen have tried desperately to have a baby. Their wish was granted twice when an engineer and a witch gave them a little wooden robot and an enchanted log princess. The princess and her robot brother are inseparable. One day the sleeping princess is mistaken for lumber and carted off to parts unknown. Now it's up to her devoted brother to find her and get them safely back home. Based on the children's book by Tom Gauld.