A priceless relic is stolen from identical royals Queen Margaret and Princess Stacy, who enlist the help of their sketchy look-alike cousin Fiona Pembroke to retrieve it.

When Duchess Margaret unexpectedly inherits the throne & hits a rough patch with Kevin, it’s up to Stacy to save the day before a new lookalike — party girl Fiona — foils their plans.

When a down-to-earth Chicago baker and a soon-to-be princess discover they look like twins, they hatch a Christmastime plan to trade places.