The Pet Pals are put to the test when the Evil Crow Witch is determined to drain the canals of Venice. Armed with a touch of magic, the Pet Pals combine their strengths to uncover the secret code before the Evil Witch does.

Life flows peacefully in Vinci: Leonardo is struggling with his incredible inventions, Lorenzo helps him and Gioconda observes them mockingly. When A mysterious storyteller comes to town and speaks of a hidden treasure, an adventure begins.