March 2005, Dublin police receive a call stating that body parts are floating along the city’s Royal Canal. Gardai observe they belong a male yet the head and penis are missing. News of this horror shocks Dublin. After a long investigation, involving forensics and gumshoe police work, detectives finally discover the identity of the butchered body: Farah Noor. This leads to the Mulhall family.

Detectives move to interview the Mulhalls. They bring the mother, father, and two daughters - Kathleen, John, Linda, and Charlotte respectively - into custody. All deny knowledge of Farah’s death. However the secrecy and the guilt proves too much for Linda. She gives a full confession to the police; It’s an admission of a barbaric murder and a grotesque dismemberment.

Gardaí move to arrest Linda, Charlotte and Kathleen. Kathleen flees the country, abandoning her two daughters. Linda and Charlotte’s trial is a media frenzy as its gory details are revealed to the court. Charlotte is found guilty of murder while provocation reduces Linda’s conviction to manslaughter. They’re both handed lengthy sentences. Kathleen is tracked down and sentenced to 5 years.