Happy-go-lucky Cleo and stoic Fitz are back again... and they are ready to celebrate (for once, Mr. Boo approves). Follow the most adorable siblings this way of the afterlife as they discover the secrets to throwing a ghoul old-fashioned party! But it's not all silly hats and confetti. Fitz and Cleo learn a valuable lesson amidst all the festivities: When you are having a bad day, there's nothing like a good friend and a good time to turn it all around!