A suspected peritonitis case is brought in. After an exploratory operation, Smedley finds a tumour in the woman's abdomen, but makes a error of judgement by telling the woman that he thinks the all cancer has been taken out, however tests reveal that she has only days to live.

Liz goes to sleep forgetting to take her contact lenses out, and is impaired whilst trying to treat a drugs overdose. As a result, she tangles a lavage tube inside the patient's stomach.

In a generally bad day for Liz, she also loses her temper with one of the patients.

Dr. Collin and Caroline continue their affair.

Sister Pereria (from series 2) returns bringing in her son for treatment. DeVries finds out about the blood group and that the boy is his son.

Dr. Mortimer tries to teach Mr. Docherty how to dance!

A Wharfarin overdose patient initially refuses treatment with a blood transfusion because he is a Jehovah's Witness. When the patient suffers a stroke, he appears to change his mind, however in a seemingly uncharacteristic act of Dr. Collin, he suddenly tries to persuade the patient to continue to refuse treatment with the blood because of religious beliefs.

Liz starts to crack under the pressure.