The prospect of rebuilding a relationship with his mother blurs Matthew's ability to objectively examine the Brethren community, and he wrestles professional and personal issues to solve the case before anyone else gets hurt. Lucy and Gaby can no longer stay quiet as an important silence breaks and the extent of the lies suffocating the communities continues to widen.

• Ann Cleeves
• Kelly Jones

• John-Paul Macleod
• Luke Ireland
• Declan Bennett