Cora is a small mermaid with a big personality. But like so many mermaids in the third grade, she is struggling to truly be herself. She wants to be like the Singing Sirens, the most glamorous swim team in the sea. Unfortunately, an annoying roadblock — er, seablock — keep getting in her way. When Cora fails her spelling test, her coach says she can”t be on the team unless she gets an A on the next one! Can Cora conquer her spelling test, make the swim team, and stay true to herself at the same time?