Nurse Elaine MacKenzie boyfriend Billy McGovern attempts suicide and is left totally paralysed. He is diagnosed a quadriplegic. His mother and girlfriend both believe they know best. Katherine Doone is called has to make clinical decision.
Dr. Tom Scott wants to give 11-year-old Craig, a second bone marrow operation, in 18 months. There is only has a 10% chance of survival but his parents want it. Katherine speaks to Craig which puts her up against both doctors and family.
The murder trial of Elaine MacKenzie begins. Katherine is a prosecution witness while her father represents Elaine. Lawyer Claire Matheson is determined to have a natural birth but when the baby is breached the priority changes.
Nurse Crick asks Katherine to help Hector Beardsmore. Dr Giordano is giving him painful treatment while his two sons argue. Surgeon Mr. Alexander's drinking is causing a rise in deaths. Dr. Rankin makes waves and the hospital covers it up.
Lisa Carlisle is in casualty after taking an overdose. Katherine is called in when she refuses treatment and the doctors are conflicted over her motives. If the psychiatrist doesn't section her all the doctor can do is watch her die.
The husband of a woman with motor-neurone disease doesn't want to her to be resuscitated. A wife and his mistress both want to see a coma patient. Katherine's father has a heart attack and is in a coma forcing her to make a big decision.