Route 9 is the second standalone book in the Cold Case series, the crime series inspired by real cases and which takes place in Malmö and Österlen.

A controversial female artist is found dead at the Stenshuvud (Stenshuvud National Park) lighthouse the morning of Good Friday. On a towel next to the corpse there is a weird mud, which proves to be the same as the one that was found at the crime scene outside of Ystad where the young pianist was tortured to death 15 years ago.

When crime inspector Tess Hjalmarsson, also known as the super cop, together with her colleague Marie Erling, looks closer on the case she can not find any apparent connections between the two victims but the news starts a chain of dramatical events on Österlen. Meanwhile a mother of two begins to suspect that her husband isn’t the person she thought he was…