This song explores themes of regret, love, and the haunting memories of past mistakes. The lyrics evoke a sense of longing and the difficulty of moving on from painful experiences. Snow Patrol uses evocative imagery and a melancholic tone to convey the internal struggle of the narrator as they grapple with their emotions and the consequences of their actions. Poignant moments include the repeated references to the 'last shot ringing in my ears,' which symbolizes lasting impact and unshakable memories. The song encapsulates the feeling of being haunted by one's past and the quest for redemption.