While the two of them spend the majority of the film developing what seems like a romantic relationship, it’s revealed that the latter is actually dead and appearing to the former as a vision – having donated his heart for a life-saving transplant she had the previous year (a reference to the first lyric of George Michael’s song of the same name: “Last Christmas I gave you my heart”).
When Paul Feig’s Last Christmas gets into its third act, it packs a twist for the characters played by Emilia Clarke and Henry Golding.