"It's April 2020 and Edinburgh is in lockdown. It would seem like a strange time for a cold case to go hot-the streets all but empty, an hour's outdoor exercise the maximum allowed-but a mere pandemic doesn't mean crime takes a holiday. When a source at the National Library contacts DCI Karen Pirie's team about documents in the archive of a recently deceased crime novelist, it seems it's game on again. At the center of it, a novel: two crime novelists...

"A novel set in French Polynesia and New York City about three characters--a fifteen-year-old girl toggling between her mother, a marine biologist studying coral reefs on an island off the coast of Tahiti, and her father, a surgeon in Manhattan--who undergo massive transformation over the course of a single year"--