2 first episodes are a comedy-like story of a stalker; 3rd episode is a nightmare that explains many things; 2 last episodes are the consequences, full of sadness till the end that is open for interpretations (this isn't really a spoiler); Based on the real life story of the scottish comedian Richard Gadd that wrote and starred this series; Strong acting by Gadd; Watch only if you are in the mood, the story is pretty heavy; Score: 8 / A-...