Long Live the Royals follows a fictional British Royal Family—King Rufus and Queen Eleanor and their children Peter, Rosalind, Eddy, and Alex—as they honor the annual Yule Hare Festival. The family must battle having to rule their kingdom while maintaining a normal family at the same time. Meanwhile, the festival continues with the parties and feasts that comprise it.

An independent, single mother who owns a small hotel on a Greek island is about to marry off the spirited young daughter she's raised alone. But, the daughter has secretly invited three of her mother's ex-lovers in the hopes of finding her biological father.