The series "Det som göms i snö" is a Swedish detective thriller about a special police unit that reopens unsolved cases. Peter Wendel, an operative of the law enforcement agencies, returns to duty after a long sick leave. His life is not going well: a moral trauma from a previous mission haunts him, his ex-wife now works under the command of the Minister of Justice, and even old friends don't want to cooperate with him. Nevertheless, he is tasked with forming a special police group.