Half Light

A successful American murder-mystery author who relocates from London to the Scottish coast after her young son's drowning. She is consumed by guilt, which drives her to seek peace while questioning her own reality as the haunting intensifies. Her determination to uncover the truth clashes with threats from those closest to her.

A lighthouse keeper whose past includes murder and suicide, casting a shadow over the coastal town. His presence as a spirit or memory drives Rachel's fear and curiosity. The character embodies a dangerous past that refuses to stay buried.

Rachel's second husband and a successful editor who has been unable to publish his own work. He is involved in an affair with Rachel's best friend and orchestrates a scheme to make her murder look like suicide. His motives are tangled in ambition and betrayal.

Rachel and Thomas's five-year-old son who drowns, a tragedy that becomes the central wound of the story. His death haunts Rachel and motivates her actions, though he continues to appear in visions and memories.

Rachel's best friend and a writer for a British tabloid. She is involved in the betrayal that helps fuel the plot against Rachel and ultimately becomes a victim in the lighthouse tragedy. Her actions drive the investigation into the deceit surrounding Angus's past.