Anime is an adaptation of the arch of the manga Kuroshitsuji " Circus of Noah`s Ark." Plot events will return to the point of divergence from the manga of the first season (ie, the end of the contest arch Curry - Episode 15).Poyavivshiysya in the late 19th century in England, the circus, " Noah`s Ark" animates London for its magnificent and spectacular views. But,during the movement of the troupe, the city began to disappear mysteriously children. Alarmed by this, Queen Victoria sends his infamous "watchdog", Ciel Phantomhive, to investigate the matter and return of missing children. Ciel and his demon butler Sebastian Michaelis, enter the circus, disguised members of the team,to investigate and possibly reveal their true motives.