"Are you taking Bello for a walk at this hour?" Monika asked in puzzlement.

"Yeah, just a little one."

"Take Janus with you. I don't like you walking alone. It's getting late."

"No, I don't want to walk with Janus right now. He's stupid!"

Following an argument with her older brother, 7-year-old Lilly Danielsen takes the family dog for a walk. But her mum starts to worry when she doesn't return home. Did she stay away because she is still angry or has something more sinister happened to her?

American police officer Mason Teilmann is enjoying a more relaxing job at the Central and West Jutland Police than he did as a Child Homicide Detective back in his native New Orleans. He is haunted by spectres from his past, even though his Danish wife has tried helping him to move on. When he is assigned the case of Lilly Danielsen's disappearance, he ends up needing all his US training and experience. But unpleasant memories are still creeping back in...