Miss Mallard organizes a costume charity ball at Neuduckstein Castle in Bavaria. Willard accompanies her to guard the donations, and it doesn’t take long for mystery to strike. It is said the ghost of a court jester haunts the castle and it looks like it’s responsible for the hauntings that plague the ball. Miss Mallard soon realizes there’s more than one ghost responsible for the hauntings, and she and Willard set out to prove who’s the real ghost of Neuduckstein Castle.