A 74-year-old man is brought in after being found in a confused state by his son. Doctors discover signs of a brain injury, leading his children to reveal the tragedy that befell their father and the shattering effect it has had on his life. A woman who fell down the stairs at her granddaughter's 16th birthday is also in need of treatment, and her daughter is reminded of a phone call that changed their lives forever. Meanwhile, in paediatrics, a talkative nine-year-old is treated for a rash on his ankle