Ciel is the queens 'watch dog', fixing any crime or mystery she can't solve. Alois, the queens 'spider' being able to get through any sort of security. The both of them were paired together to solve a human trafficking case.

They went undercover in the building to get closer to their goal, then that's when they noticed you. You were with the man that was responsible for the trafficking. They both ordered their butlers to take in any clues and watched to see how the situation would play out for now.