Margaret and Gus go into business selling oysters. Their first harvest goes into circulation; then, they discover that the oysters are contaminated. A wild game of Oyster, Oyster, Who's Got the Oyster? evolves as the poisonous shellfish pass from Nick to Mcloskey to Molly to Relic, and threaten to end up in the stew pot at the Reach as the "Special of the Day".