Rabbit Hole

Alice Armitage, a former police officer grappling with PTSD and residing in an acute psychiatric ward, finds herself drawn into a chilling mystery when a fellow patient is murdered. Convinced of her investigative abilities, she embarks on a perilous quest to uncover the killer, despite being largely ignored by the outside world and struggling with her own fractured psyche. As trust in her surroundings crumbles, Alice's journey tests her limits, pushing her to a psychological brink in this gripping thriller by Mark Billingham.