C20 Who is she?

The pair of grandfather and grandson gracefully made their way through the ornate halls of the mansion. Finn, with a twinkle in his eye, confidently chose a seat next to Olivia, his heart racing at the thought of her company. Cathleen, trying her best to blend in as the supposed wife, sat beside her pretend husband. She eagerly began to serve food to the plate of the elderly Mr. Knight