When a shocking double homicide goes unsolved for 16 years, a detective teams up with a genealogist to catch the killer before it becomes a cold case.
4 episodes in this season
E1
41m
After a double murder sends shock waves through a quiet Swedish town, lead detective John promises the grieving families that he will find the killer.
E2
35m
As weeks turn into years without answers and his home life slowly falls apart, a desperate John turns to an unlikely ally to help crack the case.
E3
40m
John and Per's investigative efforts are obstructed by their clashing personalities. A prying journalist adds to the pressure.
E4
43m
With everyone nearing the ends of their ropes, a revelation from an unexpected source leads to a breakthrough in the case.
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