Sarah and Liam (have been competing with each other since they were school kids. They strive to outdo each other in everything from school president elections to college applications. That rivalry continues to shape their interactions as mayors of East and West Riverton in New Hampshire, quaint towns that annually compete in the New Hampshire Christmas Spirit contest. When both towns are selected as finalists, the mayors have just five days to plan a celebration that showcases what Christmas means to their community. To do so, however, Sarah and Liam are forced to work together for the first time....