When Sally's husband is trapped in an underground cave during a diving accident she finds herself trapped in the company of a talkative constable and an unwelcome guest.
| Actor | Role |
|---|---|
 Gemma WhelanKate | Kate |
 Jeany SparkSally | Sally |
 Daniel RigbyPC Clarke | PC Clarke |
| AAlexander FoleyDispatch Sam | Dispatch Sam |