Episode 4 shows the scale and variety of life changing moments that happen at the hospital all of the time. Surgeon Gill has to make the difficult decision of whether or not to operate on cancer patient Maldwyn. Meanwhile in maternity, trainee midwife Janine meets expectant parents Alison and Alan who have opted for a planned c-section after tragically losing their daughter the previous year. Derek is a patient in cardiology who has had to put holiday plans on hold as he awaits an operation to fit a stent in his heart. Roger is a volunteer at the hospital who is hoping he will graduate to the coveted role of buggy driver, and catering manager Paul demonstrates the military precision behind preparing and distributing thousands of meals across the hospital.