Casualty: A Better Past

The department is quarantined in an anthrax alert following the delivery of an envelope containing mystery white powder. Adam and Jessica finally discuss their emotions after Harry's death and decide whether they have a future together, May realises the effect of her lies when Yuki is admitted to the hospital in a disoriented state, and Shona returns - still pregnant with what she says is Charlie's grandchild. Guest starring Tessa Peake-Jones (Raquel in Only Fools and Horses)