Once upon a time in the royal castle, there lived a beautiful princess named Olive Drab. A shipment of gold meant for the castle is stolen by the Sea Hag. Princess Olive Drab's father sends her after Prince Popeye to retrieve the gold. The Sea Hag displays her villainy. Olive enlists the aid of the seven Swee'Peas. Together, they find Prince Popeye, and he battles the Sea Hag and gets back the gold.