Template:Infobox Cassandra 'Cassie' Plumstead is a character in Opal Plumstead. She is Opal's big sister and cares deeply of her. Cassie is interested in fashion and has an apprenticeship for a milliner. She lies to her mother about loving a man called Philip, when she was actually meeting another man named Daniel Evandale who is much older than Cassie. She eventually goes to live with him and has a baby called Danny.