Anna Macbeth has spent her whole life trying to escape from her past. She left the rural Yorkshire village where she grew up for life as a family lawyer in London, but what secrets did she take with her?
When a familiar voice telephones her with tragic news, Anna knows that running away is no longer an option, and that she has to return to face her demons.
What led Anna to flee from her home, and what is it that causes her to return?
"Charcoal" unfolds a dramatic sequence of events that demonstrate the consequences of desires.