The doctors of Balham Park Surgery treat patients with heart concerns, including a man whose father has a rare genetic condition, a heart attack victim who requires serious lifestyle changes, and a girl who experiences heart palpitations when she has a panic attack.

Observational documentary series filmed inside the consulting rooms of a busy NHS practice in south-west London. The doctors treat a wave of patients in search of physical and emotional pain relief, including a man with a painful toe who has performed his own self-diagnosis, and a woman who is in a low mood after donating her kidney to her sister.