A newspaper journalist revealing fraud in a large multinational company, finds his family involved, ruining his career, family relations, and entangles him in a following mystery.

An unsettling chain of events are set into motion when a group of young friends an visit an abandoned ski resort in the far reaches of Sweden. The remote and neglected Black Lake has been closed for years when Johan invites his friends to stay there. He dreams of reopening the isolated hotel and restoring it to a luxury ski resort, but what begins as a fun research trip soon takes a sinister turn as the group is gripped by a series of unexplained and disturbing events. They soon uncover the real reason Black Lake was abandoned all those years before, and solving the mystery rapidly becomes a matter of life and death.

Pørni is about the dilemmas that you end up in when you, to the best of your abilities, try to do the right thing for your loved ones, and yourself. In that order. Pørni has two daughters with a jerk of an ex who has moved to Copenhagen, who focuses mainly on himself. She has a father who is in some sort of teenage phase, and she has responsibility for her 15-year-old nephew, after her sister died in a car accident not so long ago. In addition, Pørni works in child welfare, where she likes the county lawyer Bjørnar. Pørni is about being a complete person, in a normal, but challenging life.