Season 2

A one-punch attack in the street leaves a man with a potentially devastating head injury, and trauma team leader Richard quickly realises he needs to perform emergency surgery on a bleed inside his brain. A young man arrives with multiple broken bones and suspected internal injuries following a motorbike accident, while a factory worker hopes the team can save his arm after a horrific accident with a circular saw.

A mother of one suffers a ruptured brain aneurism, leaving Dr Nayak just minutes to stop the bleeding. In resus, a patient's heart stops multiple times while Dr Mandava battles to save his life. A 17-year-old girl is critically injured in a car crash. As her parents race to her side, trauma leader Dr Hall works to identify her injuries and get her to emergency surgery.

Trauma team leader Julie Norton battles to save two patients whose lives hang in the balance. Father of four Ian is rushed in after suffering a cardiac arrest, while another man is bleeding so heavily he risks losing his entire circulatory system. Meanwhile, Ken has fallen from a roof onto a skip, leaving him with a gaping wound to his thigh and potentially life-threatening injuries to his pelvis and spine, and Dr Nayak helps Michael, who has suffered a severe stroke.

Thirty-eight-year-old Lesley suffers a cardiac arrest while driving to work, leaving Dr Morris and the emergency team fighting to resuscitate her and discover why it happened. The team also treats Abigail, who has a painful neck injury after a riding accident, and Laura, whose severe asthma attack puts her heart at risk.

Will is rushed to hospital after being stabbed multiple times, and Dr Pickering must determine the extent of his internal injuries. Fiona, a 38-year-old mother, needs urgent treatment after a severe stroke, while Ivan remains in critical condition following a cardiac arrest and requires emergency heart surgery.

A woman collapses during a family visit to an adventure park and is left unable to move or walk. Doctors diagnose a brain bleed requiring urgent surgery. The team also treats a motorist who suffers a cardiac arrest caused by an arterial clot and a van driver airlifted after a serious collision.

Helen has a life-threatening brain aneurysm that could rupture at any moment, leaving Dr Sanjeev Nayak with no margin for error during a delicate operation. Michael is also critically ill after a cardiac arrest, with doctors needing to assess a head injury and remove a clot that is damaging his heart.

Katrina, 28, is rushed in after being hit by a car, with badly broken legs and possible life-threatening internal injuries. Michael suffers his second heart attack in two weeks, while Trevor is treated after falling from a shed roof with a severe head wound and a suspected broken neck.