When Mr. Tate's class helps out on Beach Clean-Up Day, Captain Ned teaches the children the importance of the sea and the impact of not keeping it clean.

"Off a small island, a boy and his grandfather set sail in their beloved fishing boat. They ride the waves, catching wants and wishes and seeing the wonders of the ocean. But soon the boy is sailing the boat himself, drifting further from shore as the waters grow muddied and turbulent. When a storm washes him ashore, he sees home in a new light. He decides to turn the tides of his fortune, cleaning the island's waters and creating a new life with...

While visiting her grandparents, who run whale-watching tours in Jamaica, Rocket sees first-hand how plastic is harming ocean creatures, and organizes a crew to clean up the local beach.