"here," the Goblin handed her a key. "it's a portkey that will deliver you to our meeting room. We will go over your accounts tomorrow and also the accounts of your husband." Harriet stared at him uncomprehensively. "my…husband?" In which a botched killing curse bound The Last Heir of Gryffindor and The Last Heir of Slytherin in matrimony due to a Line Protection Agreement.