Astrid Nilsen and Sheriff Rafael Coster begin a new round of investigations, confronting conspiracy theorists, delving into the American Indian community, uncovering the secrets of monasteries, mental hospitals, and even facing the murderer of Astrid's father... This season will also be a sentimental journey for them. After Rafael's relationship with Mathias came to an end, she realized that her feelings for Nikolai were gradually changing, but would it be too late? For the first time, Astrid will open her heart and try a romantic relationship with Zeff, but can there be true love between autistic people and normal people?