Nelly and her dog London are about to spend autumn break with her uncle Hannibal. Soon she noticed that he doesn't live a quiet life. Her uncle is a Monster agent. Nelly gets dragged in to an adventure filled with ghosts, vampires and werewolves.
Following an argument with her lover on her boat, a woman is found dead. Wallander and the Ystad police investigate; their inquiries lead them to a farm commune and to an old friend of Linda's.
Emma Lingonkvist, 10, runs with her friend around the apartment buildings and sells charity badges. The doors are opened by friendly and funny customers who make the girls laugh. The encounter in one of the doors, however, is an unexpected and emotionally charged experience for Emma.