When a teenage joyrider crashes a stolen car and ends up in a coma, a routine DNA test reveals a connection to an unsolved murder from twenty-two years before. It's a cold case that should be straightforward. But it's as twisted as the DNA helix itself. Meanwhile, Karen is mired in grief and guilt after the death of her partner. She finds herself irresistibly drawn to another mystery that she has no business investigating, a mystery that has its roots...

"In the center of historic Edinburgh, builders are preparing to convert a disused Victorian Gothic building into luxury flats. They are understandably surprised to find skeletal remains hidden in a high pinnacle that hasn't been touched by maintenance for years. But who do the bones belong to, and how did they get there? Could the eccentric British pastime of free climbing the outside of buildings play a role? Enter cold case detective Karen Pirie,...

More than twenty years after the 1984 national miners' strike in Scotland, Cold Case Review Team Inspector Karen Pirie stumbles across new evidence that links the cases of a missing strikebreaker and a kidnapping gone wrong.