"I know it is you, behind that mask..."

What if Narcissa would have had helped Hermione while Bellatrix tortured her?
What if, Hermione would find out about that unexpected help?

The answer is: she had helped Narcissa, but not only because the older witch had helped her in the first place...

A few years later, Hermione and Narcissa are working in the Ministry for Magic, and they get some secret messages from a stranger. But is it really a stranger?

And who is that woman behind the mask at the Halloweenparty Hermione is invited to?