When it comes to murder, no detective starts their search at the beginning of the crime. Rather, a murder investigation always begins with the body, after the deed is done. It is up to the police to piece together the story, moving backwards in time until they arrive at the root of the crime. In REDRUM, viewers follow the backwards tale of murder from false motives and mistaken witnesses to conversations taken completely out of context, until the truth finally comes out at the very end.

Six strangers are invited to stay at the prestigious estate of a billionaire. The helicopter transporting them is forced to make an emergency landing. What can an ex-policeman, a religious art dealer, a retired teacher, a marketing director, a star criminal lawyer and a businesswoman have in common that they are trapped in this way?

Following an unforeseeable tragedy, the inhabitants of the small community of Lac Sabin have to learn to survive, cope, and rebuild their lives.

Charles, Louis, and Guillaume are three friends who live together as roommates in the same house, where they spend all of their free time still playing the same Farador campaign they began as teenagers; their other friend Paul has recently moved out of the house and abandoned the game to live with his girlfriend. When Charles's sister Kim, who has recently broken up with her longtime Belgian boyfriend Tom after realizing that she might be a lesbian, moves into Paul's vacated room, her presence, and her determination to push her brother to finally take the plunge on his unrealized ambition to write and publish an erotic fantasy novel, upset the group dynamics and force them to make one last push to finally reach the Castle of Farador and end the game.

Desperate for a fresh start at life after a tragedy on her watch, a suspended air traffic controller finds herself sucked into a world of financial fraud and manipulation when she throws in her lot with her secret lover.