Christie and Agatha's Detective Agency: A Curious Catastrophe

Christie and Agatha are on the set of a film starring none other than Charlie Chaplin – and a particularly mischievous cat. But when the cat’s owner claims that the feline on the set is a fake and that the real one is missing, the twins are hired both to clear Mr Chaplin’s name and find out what has happened to the real Fluffykins.