Katerina goes to drastic lengths to win back Frank's approval. A tragic accident makes Jo reassess her priorities.
Jo learns whether or not she has Huntington's disease. Meanwhile, Von realises that she must tell Adam the truth about his mother's sudden reappearance and after a night out with Frank, Katerina starts making her presence felt in the ED.
Adam faces death when mindless violence spills into the All Saints ED. Meanwhile, Frank accidentally discovers the appalling secret Katerina is carrying and Von is presented with the opportunity of re-evaluating her relationship with Adam when she deals with a grief-stricken mother.
A pregnant cult member's rare allergic reaction puts her life, and that of her baby, in grave peril. Steve and Claire come to the end of their road, via very different paths. Frank finds doing an easy favour for a colleague much harder than he imagined.
Frank is looking for new direction and starts the day in a disturbingly good mood. Meanwhile, Bart is stumped by a home renovator's mysterious deterioration. Plus, Amy and Charlotte treat a woman who risked her life for a tree and the MRU team is called out to treat a man whose sexual fantasy has got him into a tight spot.
Frank is forced to make a decision about his future. Amy gets some home truths from a patient with a rare infection and a broken heart. Charlotte and Von treat a woman who's allergic to the world around her. Mike bonds with a man trapped by his own fear of change as well as some high voltage electrical cables
A devastating bus crash impacts heavily on the MRU team. Adam's past affects his treatment of a mentally ill patient. Von becomes the meat in the sandwich between Adam and his mother.
Violence has resulted in Mike, Steve and Jo fighting desperately for the life of a man crushed in a car compactor. Claire's fear of Ian, her old boyfriend, turns into her worst nightmare. A casual affair turns a man's life upside down when the woman takes drastic action to keep him.
Steve is confronted with demons from his past when he attends a car accident involving Gabrielle's father and brother. Meanwhile, all is not what it seems with a patient and her husband, and Bart finds himself in an impossible situation.
A brutally bashed cabbie and his assailant come face to face in the ED creating a medical mystery for Steve; a Bride arriving in the ED instead of her church inadvertently gets Bart and Amy working together; and Mike has difficulty juggling new directions in both his personal and professional lives.