Season 8 - Episode Guide

When Carol Jarvis vanished, doubts grew over her husband Harry's story - and sinister letters he sent his mistress did little to support his lies. 

In 2003, Jane Longhurst vanished. Her body was found weeks later and police soon closed in on Graham Coutts, who Jane had planned to meet.

In 1997, Nicholas Burton murdered Rachel McGrath before abducting a student. After a complex trial, the killer was handed three life sentences.