The Pound Puppies trick Agatha into taking her yacht out for a cruise so they can get Solo to his new owner, but Solo is not interested; he just wants to go adventuring. They wind up getting stranded on an uncharted island. Agatha, Olaf and McLeash go on the island to find help, Solo goes off to find adventure on the island, the Pound Puppies go to look for Solo. They later find out there is an active volcano on the island and must hurry to get off.
—Anonymous