In Boxing Day, Melvin (AML AMEEN), a British author living in America, returns home to London for the holidays to introduce his American fiancé Lisa (AJA NAOMI KING) to his eccentric British-Caribbean family. Their relationship is put to the test, as she discovers the world Melvin left behind revolves around his ex-girlfriend Georgia (LEIGH-ANNE PINNOCK), who is now an international pop star!