The next installment in the adventures of the miniature boat Seasprite. A boy who is the boat’s owner, Gabriel, is aided by an old seafarer who is now the maintenance man at the Ursuline convent in New Orleans. They finish a project the boy’s father had begun years before, preparing Seasprite to be put out to sea. Gabriel, who has never met his father, has a surprise visitor. This is a story with a positive Catholic atmosphere.