Review: Black Lake (S1 E3&4/8), Saturday 23rd September,

NB: SPOILERS INSIDE Last week, Swedish series Black Lake (Svartsj√∂n) started on BBC Four and provided plenty of horror/crime mash-up fun, telling the story of a group of twentysomethings stuck in a remote ski lodge, which has a history – 20 years before a young family was murdered in the hotel, and our main character,…