Shellington and the Vegimals are on a mission to replant a mangrove forest, but they are soon attacked by a group of barracudas, forcing them to seek immediate shelter. Shellington calls for backup, and Captain Barnacles, Peso, and Kwazii rush in to help. Captain Barnacles comes up with a plan to distract the barracudas while the Vegimals hurry at work to plant the mangrove seeds. The process successes, and the forest is now back in great condition. back at the Octopod, the barracudas get to have a nice snack of fish biscuits.