Fiona is another employee at Reininger's. When Lincoln and Clyde were investigating to prove Leni's innocence, they kept messing up her stacks, annoying her. She soon was thought as a suspect due to her leaving quickly with something that looked like a blue scarf. It was eventually found out she bought a dress from the competitor's store, and felt guilty about it.
Fiona has long brown hair tied in a small ponytail. She wears a pink sweater with horizontal, fuchsia and pink stripes, along with a yellow neckerchief. She also wears light blue jeans, with the legs rolled up, and dark gray slip-on shoes. She also has a mole on her cheek.