Maria, who's 52 and has MS, comes to St George's with suspected sepsis. Six-year-old Grace has tissue stuck in her ear. Eve, who's 83, has fallen down the stairs.

This edition of the show explores the chances that people take in life and whether a gamble ever pays off. Megan, who's 20, has been in a high-speed car crash. James, who's 78, has suspected internal bleeding.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.

British television series following the hard and dedicated work of the NHS doctors and nurses battling to keep Britain alive and well.