Brady and Boomer are just two ordinary twins. Or, so they thought. They soon learn that their parents were king and queen of a small island and they are next in line to rule. But, their distant cousin is planning to stop them from being kings.

The kings must perform for the islanders at the Annual Harvest Festival, and Boomer can't wait to show off his singing skills. Brady knows Boomer has a horrible voice, but doesn't have the heart to tell him. When Brady's plan to protect his brother from humiliation backfires, Boomer discovers Brady is a terrific singer and arranges for Brady to sing to the kingdom.