Valerie is convinced that she can hear things in the roof of The Mill, while Karl meets someone who explains to him what chronic fatigue syndrome is. Karen deals with a patient who makes a shocking discovery after some regular tests reveal something very unexpected.
| Creator | Chris Murray |
|---|---|
| Actor | Elisabeth Dermot Walsh, Dex Lee, Adrian Lewis Morgan |
| Country | United Kingdom, Mexico, South Korea |
| Production | BBC |