In New York City for their annual tradition of Christmas Eve debauchery, three lifelong best friends set out to find the Holy Grail of Christmas parties since their yearly reunion might be coming to an end.
Phil and Claire Foster fear that their mild-mannered relationship may be falling into a stale rut. During their weekly date night, their dinner reservation leads to their being mistaken for a couple of thieves – and now a number of unsavoury characters want Phil and Claire killed.