The "story" of this song is mostly found in the nostalgia of 90s club culture. It was a staple at legendary Manchester venues like Paradise Factory , where it represented a smartphone-free era of pure hedonism and musical connection.
Hannah Jones’ powerhouse vocals drive home the theme of a protagonist who knows they should walk away but keeps "coming back for more" of the same intoxicating feeling.
While there isn't a singular "story" in a literary sense, here is the narrative context behind the music: The "Full On" Narrative