Darkness: Those Who Kill (2019)

S2E1 Episode 1

Five years have passed since Alice Ejbye's son Markus was brutally murdered by an unidentified serial killer. Now facing a grave illness, Alice turns to criminal profiler Louise Bergstein, the daughter of her late best friend, for assistance in uncovering the truth behind her son's death. Meanwhile, on the island of Funen, Peter Vinge is confronted with a devastating message from his wife, Masja, that will change everything for him.