When Shelly and the rest of her class discover that she is a princess, she is not sure how to act.

Experiencing occasional visions of the future, mermaid Kiki Coral receives a psychic warning that her classmate, Rocky Ridge, will have a dangerous encounter with a giant leatherback turtle, a premonition she fears nobody will believe.

When Penny, Luke, and Natalie return to Morgantown they find that Principal Bender, their teachers, and most of the other adults have changed, and they fear that it may be a new plot by the Queen of the Boggarts to take over the world.

When her class at Trident Academy visits a pod of whales, Kiki Coral must overcome her fears with the help of her friends.

Unable to comprehend a beloved librarian's imminent marriage to a cafeteria worker who seems to be perpetually grouchy, Pearl becomes jealous when Echo, Shelly, and Kiki are all asked to be flower girls.

When Mr. Youngblood, a candidate for President, speaks at the Bailey School, the kids at the school are convinced that he is really a werewolf with sinister intentions, especially when he starts talking about changes for schools.

While preparing for a unit on storytelling, the mermaids of Trident Academy learn of a legendary pirate treasure in their own city and Pearl decides to find it, despite a warning that it is guarded by a ghost.

Kiki and her friends learn about coding as they compete to be the escort for a young narwhal who will visit Trident Academy with her famous parents. Includes glossary, key to the codes used, and information about safeguarding narwhals' habitats.