With Christmas Eve just around the corner, fading song-and-dance performer Joe Mahoney finds himself forced to part ways with his extraordinary, indispensable, kilt-wearing companion Rupert, the squirrel. In the meantime, another struggling vaudevillian, Louie Amendola, moves into the cold flat of miserly landlord Frank Dingle with his family, unbeknownst to them that an unexpected Christmas miracle is about to take place. However, as the underemployed Amendolas have a taste of the good life thanks to the godsent gift, the police start to suspect foul play. Does stealthy Rupert have something to do with their newfound happiness?