You can find the track and its official visualizer on several major platforms: Bullet Train (2022) - Soundtracks - IMDb
: It accompanies a dramatic flashback sequence that details The Wolf’s tragic backstory, including the loss of his wife on their wedding day and his subsequent quest for revenge.
: The song contrasts the film's high-octane action with a melodic, melancholy tone, reflecting The Wolf’s internal grief and "vengeful heart". Lyric Themes