Sister Brigid helps secure a future for Moira and her baby, but when events take a shocking turn Weatherill and Ormerod are left to make a heartbreaking decision.
Susie tries her best to be a model nurse and breaks off her relationship with Carnegie - who then proposes to her - while Bobby takes matters into his own hands with the violent stepfather of a local thug.
Dr. Ormerod and Dr. Weatherill accompany Brigid back to Ireland for Moira's funeral, and uncover shocking family secrets in the process.
Distracted by the attentions of a rich divorced playboy, who has promised to marry her, Susie Dixon administers the wrong blood, that of Mr Middleditch, which later results in serious consequences for both her and the patient.
A rag-and-bone man is collecting some scrap from Jack and Alun but is trampled by his horse and admitted to the Royal for surgery.
When violence spills onto the wards, Ormerod is caught in the crossfire and is stabbed with scissors, which leaves his life hanging in the balance.