It is the only track on his second album, x (Multiply), that refers to that specific past relationship; the rest of the album focuses on moving on.
The song describes the vivid realizations a person has while intoxicated—often described by fans as a "drunk epiphany"—about love and the fear of becoming strangers after a breakup. Related Work: "One Shot" Ed Sheeran - One [Official Music Video]
The video features a live acoustic performance of the song, emphasizing Sheeran's solo stage presence with just his voice and an acoustic guitar. It is the only track on his second
The official music video for "One" is a minimalist, black-and-white performance piece that captures the emotional weight of Ed Sheeran's farewell to a past relationship. Key Facts and Production Ed Sheeran - One [Official Music Video]