Having successfully infiltrated the Noah's Ark Circus in the guise of rookie performers, Earl Ciel Phantomhive and his butler, Sebastian, set about gathering clues backstage as to the whereabouts of the missing children. But when a turn at snooping puts Ciel on the trail of a man whose identity is shrouded in mystery, he sets his consummate manservant to the task of investigating further.

In keeping with the original Japanese format, this book reads from back to front and from right to left.