When the Fifth Earl of Mockingbird comes to Little Tatterford, all Mr. Buttons' fears come home to roost. And in a cheep shot, when a victim's tequila is poisoned, Mr Buttons becomes the prime suspect. This is where Sibyl and Cressida draw the lime. They fly in the face of the evidence and ruffle a few feathers in an attempt to prove his innocence. Will the murderer triumph by fowl means? Or will Sibyl solve the case and have her fairytail ending?