After being away for a month during the summer to visit his grandmother, Kenzi's best friend Juan is finally home. The two friends are excited to see each other, but when Juan shares with Kenzi how sad he felt when he saw so much garbage lying around on the beach and floating in the ocean, the two friends decide that something needs to be done--and it needs to start in their own neighborhood. Determined to find a way to keep their garbage from making its way to the ocean, Juan and Kenzi come up with a plan to take action, showing us that each person really can make a difference.