Summary: There was something about him that made him irresistible to her.
Siobhan Murphy will go to any lengths to ascertain her deepest desires - but when the object of those desires is a married man twice her age with secrets darker than she can imagine, she will find herself caught in a scandalous liaison that she can't walk away from. Not Canon-Compliant.
The day after their marriage, Lucius discovers that he and Narcissa have a few too many things in common. The first night, he had discovered they had one too few.
This was written for February's endangered-relationship one-shot challenge.