Willa's best old-age friend Frank hates birthdays, but that's not going to stop her from throwing him the greatest surprise party ever! Willa plunges headlong into party planning and things immediately start to go wrong. She'll need all her problem-solving skills (with the help of Tae, her best same-age friend, and her trusty sidekick Woof) to save the celebration! Can Willa pull off the surprise?