Follows a day in the life of register Dr Deborah Bernstein as she attends to patients in the emergency department of Melbourne's Alfred Hospital.

The Ambo's attend to a three-year-old suffering breathing difficulties, and an assault victim, while a motorcycle accident victim presents to ER.

A bizarre freak accident sees a 21-year-old salesman preparing for open-heart surgery; an old patient returns to the ER.

An elderly man presents to the ER complaining of dizziness, unaware he's critically ill; behind the scenes with the Metropolitan Ambulance Service.

A serious car accident sees a young Swedish backpacker present to the ER in a critical condition; an acrobatic circus performer arrives with an injury that could end his career.

Paramedics treat a woman who has collapsed at a concert and a car accident involving a family; a young dancer presents to the ER with a serve allergic reaction.

A construction worker fights for his life after falling into concrete; a young woman involved in a car accident arrives by helicopter.

A violent attack in broad daylight leaves a woman with five stab wounds to her back; a young patient is reunited with her boyfriend.

A workplace accident leaves a man with solidified polyethylene covering his face and eyes. Meanwhile, a car accident leaves a woman with serious head injuries.

The lives of the patients and staff at the Alfred Hospital Emergency and Trauma Centre in Melbourne.

A young AFL player faces a painful relocation and a woman presents to the ER with blood coming from her eyes.

A middle-aged man receives a life-changing heart transplant. Plus, a young man arrives in the ER with severe burns.

A child is examined for a possible brain injury. Plus, a young woman is brought into the ER with what could be a life-threatening headache.

A cheeky two-year-old learns that hairclips really aren't for eating. Plus, a man presents with a swollen eye that may turn out to be more serious than he thought.

The lives of the staff at the Alfred Hospital Emergency and Trauma Centre in Melbourne.

A farmer is air lifted to the Alfred after a half-tonne hay bale falls on his head. Plus, a Hollywood stunt-bike rider is brought into emergency.

A horse rider is admitted to the ER after a bad fall; a woman presents with severe tonsillitis; an elderly man is rushed to the Alfred following a car accident.

A football player's future is put in doubt after a hard tackle. Plus, a home renovator presents to the ER after a fall from a ladder.

A man arrives in the ER with a strange array of symptoms. Plus, a woman prepares for a life-saving lung transplant.

Paramedics treat a 61-year-old smoker suffering from emphysema. Plus, a hobby gardener arrives in the ER with a painful injury that requires surgery.

A migraine sufferer experiencing photophobia arrives at the Alfred for pain management. Plus, Kerrie's lung operation continues.

A DIY handyman has a nasty accident with a nail gun, and a young skateboarder presents with a broken wrist.