Get ready to dance the night away! The Sea Keepers are invited to a masked ball in this magical story about saving our oceans. Emily, Grace and Layla are invited to the annual masked ball in an ancient sunken city where the seahorses perform a special dance. But when evil Effluvia sneaks into the party in disguise, she uses her bad magic to destroy the beautiful ruins. The Sea Keepers need to find a magic pearl to save the city. Can true love defeat evil in this exciting underwater adventure?