《曼哈顿的槲寄生》讲述的是：Lucy and Joe |whose married life is on a verge of a divorce| gets the surprise visit of Mrs. Claus in disguise. Mrs. Claus is on a mission to find the true spirit of Christmas that can inspire Santa Claus. Both Lucy and Joe are consumed by their professional commitments. Lucy's interest in her boss| Parker makes things more complicated. Can Mrs. Claus accomplish her mission| and spread the joy of Christmas.