"Adam" (Andrew Scott) lives a rather lonely life atop a London tower block where he is struggling to write a new book. He's obviously had some success before, but right now he spends much of his time in front of the television watching video-taped editions of the BBC's "Top of the Pops" music programme. A fire alarms sends him onto the street where he espies the only other person living in their brand new building - who didn't bother to evacuate. Back upstairs that man knocks on his door, introduces himself as "Harry" (Paul Mescal) and suggests a night cap - with benefits! "Adam" declines and n... lees de rest.