Where did Annisette go?

Hint 1 of 7:

Think about who offered to take care of her last.

Hint 2 of 7:

Goldacre did.

Hint 3 of 7:

Where is the only place that you've seen him lately?

Hint 4 of 7:

At the Hades Club.

Hint 5 of 7:

Perhaps Annisette is there.

Hint 6 of 7:

Time is the only real factor here.  Dracula is a creature of the night.