After a brief reunion with Soma and Agni, Sebastian and Ciel return to the circus in the next day in order to become part of it. But while Joker and the others have already got a glimpse of Sebastian's traits, Ciel's abilities are yet to prove, and he is forced to participate in two trials, one of throwing knives and another of tightrope walking, succeding on both with Sebastian's help. However, once accepted into the circus, the duo discover, much to their surprise, that William T. Spears is also working there undercover and both realize that there is something truly suspicious occurring in Noah's Ark Circus, to the point of having a Grim Reaper personally investigating it.