The main character of the Finnish detective series "Kaikki Synnit" is a young police officer named Lauri. He lives with his partner Mikko, but their relationship is going through a rough patch, so they seek help from a family psychologist. Trying to avoid therapy and forced self-reflection, Lauri decides to take on an investigation in another city. He travels to the Finnish countryside, where he grew up and where mysterious disappearances of residents have started occurring. Lauri finds himself alone with his peculiar partner Sanna and a frightening religious community that scares him.