Security is called after a patient suspected of having Covid-19 ties wires around his door handles in protest after being asked not to roam around the department. 25-year-old Chelsea arrives by air ambulance after being hit by a car while on a night out. 68-year-old Roger has managed to accidentally swallow disinfectant and is worried he's caused serious internal damage. A team tries to revive a patient who is having a cardiac arrest.