When Sebastian and Ciel attend a masquerade ball at the Trancy estate, it becomes clear that young master Phantomhive has lost his memory. Later in the evening, Ciel is lured away from the party for an eerie encounter with Alois.

When a demonic instrument wreaks havoc at the ball, Sebastian uses his unusual musical talent to set the mood for a party. Later in the evening, he takes to the water in a butler against butler battle for his young master’s soul.