1. Luther, still plagued by the death of Zoe faces a serial killer wearing a Punch mask and tries to rescue an old acquaintance's daughter from the dangerous world of drugs and prostitution.
2. Luther must rescue Ripley before Cameron sets out his final murdering piece; schoolkids that are set to be dumped and gassed. Meanwhile, Jenny's ruthless and vengeful boss is demanding compensation for stealing her protege.

In 2012, Louisiana State Police Detectives Rust Cohle and Martin Hart are brought in to revisit a homicide case they worked in 1995. As the inquiry unfolds in present day through separate interrogations, the two former detectives narrate the story of their investigation, reopening unhealed wounds, and drawing into question their supposed solving of a bizarre ritualistic murder in 1995. The timelines braid and converge in 2012 as each man is pulled back into a world they believed they'd left b find out more...