D.I. Lottie Parker Books in Order

An elderly woman is murdered in her home, and her daughter vanishes. Days later, a nearby house is torched. Lottie suspects the crimes are linked to a cold case her father was investigating before his suicide, forcing her to dig into painful family secrets.

When a woman is found strangled in a cathedral and a man is found hanging from a tree, Detective Lottie Parker spots a link: clumsy tattoos on both victims' legs. The trail leads to St. Angela's, a former children's home with a dark history that connects to Lottie's own past.

During roadworks, the body of a young pregnant woman is unearthed. Meanwhile, a stranger appears on Lottie's doorstep begging for help to find a missing friend. As more girls disappear, Lottie uncovers a terrifying ring of human trafficking that stretches from war-torn Kosovo to the Irish midlands.

A funeral is interrupted by a scream when a young woman's body is discovered in an open grave. She isn't the missing girl Lottie is already hunting for, but the cases are clearly linked. Lottie fears a serial killer is targeting commuters in Ragmullin.

Eleven-year-old Mikey Driscoll is found dead on a bed of wildflowers. He was a friend of Lottie's son, Sean, making the case devastatingly personal. When another boy is found in a similar state, Lottie must uncover the secrets Mikey's friends are hiding to save her own child.

A bride-to-be is found hanging in her home, and another woman is pushed from a hospital roof. Both are dressed in wedding gowns with a lock of hair removed. When a victim's young daughter goes missing, Lottie hunts a killer obsessed with marriage and death.

Two women vanish from a nightclub and are found dead clutching silver coins. As Lottie investigates, her own daughters, Katie and Chloe, disappear from the town center. With the killer targeting her family, Lottie must risk everything to bring her girls home.

Faye Baker discovers a child's skull behind a wall in her new home, then disappears herself. Her body is later found in the boot of her car. When a local boy finds more bones on a railway track, Lottie realizes a killer has returned to cover up decades-old crimes.

A young mother is murdered in her nursery, a razor blade placed in her hand. Simultaneously, another mother vanishes and her son is abducted. Lottie races to find the missing child, uncovering a secret connection between the two women that someone is desperate to hide.

Rachel Mullen is found dead in her bed with a shard of glass in her throat after a glittering party. Soon, a doctor is killed the same way. As Lottie closes in on the truth, her fiancé Mark Boyd goes missing, putting her professional resolve to the ultimate test.

Teenager Lucy is murdered after a secret party at her parents' house. Her friend Hannah claims memory loss, but Lottie finds bloodstained clothes in her room. The case gets complicated when Lottie discovers her own son, Sean, was at the party and is lying about it.

A child's body is found in the cathedral grounds, dressed in a white robe. It's not the missing girl Lottie expected, but her classmate. Both were altar servers. Lottie must penetrate the silence of the church community to stop a killer targeting innocent children.

Young widow Éilis Lawlor vanishes, leaving her children asleep; her body is later found in a yellow dress. When another widow from the same support group is murdered in identical clothing, Lottie suspects the remaining members are hiding a deadly secret.

Laura Nolan is found dead on a patch of wet grass after a night out. When another woman vanishes after getting into a taxi, Lottie discovers a link between the victims. The killer knew exactly who they were, and he isn't finished yet.

A woman is found burned to death in a deserted cottage. Lottie learns the victim was abandoned as a child at a local convent. When a journalist investigating the convent also goes missing, Lottie fears the killer is systematically silencing the "hidden daughters" of the past.