Kicking off the morning rush hour; two cyclists arrive with serious head injuries; IT analyst Christopher hit a log on his way to work, and concerns are raised when scans show a bleed on his brain.

A quarter of all patients treated in King's A&E are children, and this episode follows some of their stories for the first time; 16-year-old thrown from horse; 27-year-old emergency medicine trainee Matt is affected by death of two patients.

Forty-nine-year-old Trudy arrives unconscious by helicopter, having fallen down some stairs after a night out celebrating her new job with her stepsister Sherry; Vincent has been admitted with chest pains.

Grown men dealing with the pain of injury; dislocated shoulder, broken toe and patient with a cyst on his knee is in so much pain that he refuses treatment.

Josh has been very seriously injured in a canal barge accident, and pre-operative transsexual Liam has a sore finger.

As staff and patients come to terms with Whitney Houston's death, King's is filling up with young people who were having fun with their friends when disaster struck; Latoya falls over blaming her shoes and the late singer for the gash on her head.

A man in his nineties is admitted after a hit-and-run, another in his eighties comes in with a bleeding, mangled finger.

Two of the most experienced staff members in the A&E department run the shift; Consultant Emer and Senior Sister Jen deal with back to back biking injuries; then as the night wears on, the Saturday night drink and drug casualties begin to roll in.

A terminally ill old woman is admitted with breathing difficulties, and another woman has been bitten by her cat.

New staff nurse Sophie's first patient today is 22-year-old chef James who has self-inflicted stab wounds; 83-year-old Ruby arrives with severe knee pain, accompanied by her worried daughter, Sarah.