When young widow Christina receives an anonymous note claiming her husband did not commit suicide seven years earlier she hires Pearl to investigate. Pearl's efforts lead her to the man's emotionally fragile parents, a local church run by a very creepy minister and a derelict former children's home. Meanwhile, Detective McGuire's depression threatens to overwhelm him.
Mike has broken his ankle and, laid up at home, begins to be disturbed by a man in a flat opposite who has violent night terrors. Mike becomes convinced that the night terrors are a cover for him planning to murder his wife. The police find no evidence to support this, so Mike hires Pearl to investigate further. She discovers a body, but it's not the person she and Mike were expecting.
After inheriting a beloved local pub from her mother, Molly Stratton puts it up for sale to the highest bidder, rather than selling it back to the community. She turns to Pearl for help to deal with the anonymous threats she's been receiving--including a dead seagull on her doorstep. When the pub is sold, the situation takes an even darker turn.
When 1970s movie icon Zelda St John changes her will, leaving her fortune to her housekeeper, Natalia, the young woman seeks out Pearl, fearing that Zelda's family might hurt her. Not long afterward, Zelda is found unconscious at her home, attacked with a croquet mallet, and Natalia disappears. Clashing over who they believe is responsible, Mike and Pearl lead separate investigations.
A taxi driver turns up dead with a bullet through his head and an investment banker is nearly assassinated. Pearl goes to investigate who wants him dead.