Princess Tillie is brave and bold, clever and curious, daring and very determined.

Which is just as well because there is trouble in the Queendom of Blumenfeld. A sneaky thief has been stealing the royal roses. The Summer Harvest Festival will be a disaster!

Princess Tillie sets out to trap the thief and solve the mystery, with the help of King Edwin's latest invention. But a sassy, golden unicorn called Honey Blossom turns everything upside down.

Can Princess Tillie and Honey Blossom save the day?