In rural Devon, six-year-old Joanna Mason witnesses an appalling crime.

Thirty years later the man convicted of the crime is released from prison.

In Edinburgh, sixteen-year-old Reggie works as a nanny for a G.P. But Dr Hunter has gone missing and Reggie seems to be the only person who is worried.

Across town, Detective Chief Inspector Louise Monroe is also looking for a missing person, unaware that hurtling towards her is an old friend -- Jackson Brodie -- himself on a journey that becomes fatally interrupted.