Mood: The mood of the video seems to be romantic and intense, with a hint of danger or thriller elements, as suggested by the tagline 'a killer love story'. The theme appears to revolve around a passionate and possibly tumultuous relationship.

Environment: The setting appears to be a domestic environment, likely a living room, given the presence of a couch. The warm, beige tones and the casual yet intimate positioning of the couple suggest a private, personal space.