Cassandra "Cassie" Plummer is the wayward daughter of Evelyn Plummer and mother of Tyrone Dobbs.

Cassie has struggled with drug addiction for most of her life, starting when she was a teenager. When her father Harold died from a brain haemorrhage, Evelyn blamed it on Cassie, causing her to run away from home. Evelyn found her six months later in a drugged-up state and with a baby in tow. After leaving the child at a police station, Evelyn got Cassie clean, at least for a time, but Cassie never 