Loved the big house by a lake / river, and how hopeful in a sad way that the sister was having the opportunity to re-start her life.
My predicition for the plot is that the dead sister didn't in fact die and that when they buried her (shown more as just covering her with dirt) that she was unconcious. (Did Bob have a motive in convincing that really doppy young man that she was dead?)
She regains consciousness and somehow staggers back to boyfriends and bangs on his windows. (Was he in, who say her banging, if it was him why isn't he in the plot)
Bob meanwhile knowing she isn't dead goes back to the scene of the crime, because he has his reputation to preserve, finds her missing tracks her down and kills her.
Not sure why Bob, some sort of radio personality, took such an interest in turnip head Nathan just a lowly sound engineer.
But as the writer is the one who wrote Luther, he is probably meant to be some sort of incarnation of evil.
But actually again I was so bored my mind wandered off. There are so many holes in the story.
Just the thing of Nathan transferring his attraction from the dead sister to the living one - wtf??? Yuk!