在发现各自的另一半是兄妹后，这两个心怀怨恨的前恋人必须在同一屋檐下度过圣诞节，同时隐瞒他们的恋爱史。

Three talented teens enter a local competition to be the next big Girl Band, thwarted at every turn, by bad luck, bad timing, bad neighbors and bad bo