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.

A camping holiday turns bad when a 4WD plummets 100m down a hillside. Plus, an industrial worker treated earlier finds out if his eyesight will be affected by the chemical accident.

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.