There once was a young oyster named Olly who lived in the Chesapeake Bay. He loved to drift with the currents, but Olly had been traveling his whole life and wanted to settle down. He wanted to do something important--help clean the Chesapeake Bay. But what can a little oyster do? He doesn't have pincers or fingers or sharp teeth or legs and feet. Journey under the Chesapeake Bay with Olly's little minnow friend and find out how Olly the Oyster Cleans the Bay.