Episode 3

Summary

As the police start to make breakthroughs in their investigation, Ivy turns to her sister Emma, who seizes the chance to connect with her. But they are interrupted by the arrival of a mysterious letter addressed to 'Alison' - White’s name for Ivy.

Guest stars

• Chipo Chung as Alia Symes
• Joe Layton as Craig Watts
• Melina Matthews as Sofía Marín
• Suzette Llewellyn as Angela Hill
• Nicola Stuart-Hill as Technician
• Ariyon Bakare as Chief Supt Burridge
• Ceri Murphy as Corbin Thomas
• Alun Raglan as Robert Tarl
• Nicholas Farrell as Henry Stone
• Joanna Hole as Dr Erica Young