Northern Irish police officer DCI Tom Brannick connects a suicide note with an infamous cold case with enormous personal significance.

Horror stories told from the perspectives of multiple characters whose lives are affected by the Birch, a bloodthirsty monster deep in the woods. Once you summon her protection, you never escape.

María is a thirty-year-old from Madrid who is dissatisfied with her existence and, despite her efforts to make an artistic career a reality, she has no choice but to end up working in a flower shop in her neighbourhood.