Episode 8 (S04E08)

Henrik and Astrid are navigating the complexities of reconnecting as father and daughter. At the same time, Saga makes a significant breakthrough, leading to the dramatic arrest of the murderer, who shockingly admits to six killings driven by revenge. However, Saga senses something amiss. She returns to the Swedish prison to confront the girl who nearly took her life, which ignites a chilling suspicion: there may be another killer on the loose, and one more person is still in danger of becoming a victim.